V* HN Peg

Query : V* HN Peg

Basic data :
V* HN Peg -- BY Dra Variable
Origin of the objects types :

(Ref) Object type as listed in the reference "Ref"
(acronym) Object type linked to the acronym according to the original reference
() Anterior to 2007, before we can link the objet type to a reference, or given by the CDS team in some particular cases

Other object types: 		* (2013A&A,HD,...), PM* (2016ApJ,LSPM,...), X (1AXG,2E,...), UV (2EUVE,EUVE,...), ** (**,WDS), Rad (RGB,[BSF97]), MIR (AKARI,WISEA), Ae* (1999AJ), BY* (2017ARep), Er* ([GKL99]), Ro* (1996ApJ), V* (V*), NIR (2MASS), IR (IRAS)
Syntax of coordinates is : "ra dec (wtype) [error ellipse] quality bibcode" :
  • ra dec : right ascension and declination (unit and frame defined according to your Output Options)
    Grey values are increasing the original precision due to the computation of frame transformations
  • (wtype) : wavelength class for the origin of the coordinates (Rad, mm, IR, Optical, UV, Xray, Gam)
  • [error ellipse] : measurement uncertainty, on (ra,dec) if the positional angle is 90 degrees, on (majaxis,minaxis) otherwise (in mas at defined epoch in the original catalogue),
    position angle (in degrees North celestial pole to East)
  • quality : flag of quality
    • E ≥ 10"
    • D : 1-10" (and some old data)
    • C : 0.1-1"
    • B : 0.01-0.1" + 2MASS, Tyc
    • A : VLBI, Hipparcos
  • bibcode : bibcode of the coordinates reference
ICRS coord. (ep=J2000) : 		21 44 31.3299461136 +14 46 18.983292600 (Optical) [ 0.0300 0.0216 90 ] A 2020yCat.1350....0G
Syntax of coordinates is : "ra dec (wtype) [error ellipse] quality bibcode" :
  • ra dec : right ascension and declination (unit and frame defined according to your Output Options)
    Grey values are increasing the original precision due to the computation of frame transformations
  • (wtype) : wavelength class for the origin of the coordinates (Rad, mm, IR, Optical, UV, Xray, Gam)
  • [error ellipse] : measurement uncertainty, on (ra,dec) if the positional angle is 90 degrees, on (majaxis,minaxis) otherwise (in mas at defined epoch in the original catalogue),
    position angle (in degrees North celestial pole to East)
  • quality : flag of quality
    • E ≥ 10"
    • D : 1-10" (and some old data)
    • C : 0.1-1"
    • B : 0.01-0.1" + 2MASS, Tyc
    • A : VLBI, Hipparcos
  • bibcode : bibcode of the coordinates reference
FK4 coord. (ep=B1950 eq=1950) : 		21 42 06.5744714071 +14 32 35.473554478 [ 0.0300 0.0216 90 ]
Syntax of coordinates is : "ra dec (wtype) [error ellipse] quality bibcode" :
  • ra dec : right ascension and declination (unit and frame defined according to your Output Options)
    Grey values are increasing the original precision due to the computation of frame transformations
  • (wtype) : wavelength class for the origin of the coordinates (Rad, mm, IR, Optical, UV, Xray, Gam)
  • [error ellipse] : measurement uncertainty, on (ra,dec) if the positional angle is 90 degrees, on (majaxis,minaxis) otherwise (in mas at defined epoch in the original catalogue),
    position angle (in degrees North celestial pole to East)
  • quality : flag of quality
    • E ≥ 10"
    • D : 1-10" (and some old data)
    • C : 0.1-1"
    • B : 0.01-0.1" + 2MASS, Tyc
    • A : VLBI, Hipparcos
  • bibcode : bibcode of the coordinates reference
Gal coord. (ep=J2000) : 		069.8593891276318 -28.2693304308482 [ 0.0300 0.0216 90 ]
Syntax of proper motions is : "pm-ra pm-dec [error ellipse] quality bibcode"
  • pm-ra : mu-ra*cos(dec) (expressed in the ICRS system in mas/yr)
  • pm-dec : mu-dec (expressed in the ICRS system in mas/yr)
  • [error ellipse] : error major axis and minor axis (in mas), orientation angle (in deg)
  • quality : flag of quality (A=best quality -> E=worst quality, {� } =unknown quality)
  • bibcode : bibcode of the proper motion reference
Proper motions mas/yr : 		231.108 -113.200 [0.030 0.027 90] A 2020yCat.1350....0G
Syntax of radial velocity (or/and redshift) is : "value [error] (wavelength) quality bibcode"
  • value : radial velocity or/and redshift (Heliocentric frame) according to your Output Options
    (redshift may be not displayed if the data value is <0 and the database inside value is a radial velocity)
  • [error] : error of the corresponding value displayed before
  • (wavelength) : wavelength range of the measurement : Rad, mm, IR, Opt, UV, Xray, Gam or  '∼'(unknown)
  • quality : flag of quality ( A=best quality -> E=worst quality, ∼=unknown quality)
  • bibcode : bibcode of the value's origin
Radial velocity / Redshift / cz : 		V(km/s) -16.723 [0.0013] / z(spectroscopic) -0.000056 [0.000000] / cz -16.72 [0.00]
   (Opt) A 2018A&A...616A...7S
Syntax of parallax is : 'value quality [error] bibcode'
  • value : parallax value
  • quality : flag of quality (A=best quality -> E=worst quality, {� } =unknown quality)
  • [error] : mean error
  • bibcode : bibcode of the parallax reference
Parallaxes (mas): 		55.148 [0.0348] A 2020yCat.1350....0G
Spectral type is made of 3 parts: %coding is composed of 4 parts :
  • the spectral type, which is made of a temperature class, eventually a luminosity class (roman number) and/or spectral peculiarities;
  • a quality letter: A=best quality→E=worst quality, {� } =unknown quality %
  • a quality letter: A=best quality -> E=worst quality, {� } =unknown quality
  • bibcode : bibcode of the spectral type reference
Spectral type: 		G0V+ C 2001AJ....121.2148G
Syntax of fluxes (or magnitudes) is : "filter-name (System) flux-value [error] quality MultVarFlags bibcode"
  • filter-name : U, B, V, R, I, G, J, H, K, u, g, r, i, z
  • (System) : may be AB (default is Vega)
  • flux-value : value of flux or magnitude
  • [error] : error value
  • quality : flag of quality of the flux value ( A=best quality -> E=worst quality, {� } =unknown quality)
  • MultVarFlags : Mult is zero or one char (J) for joined photometry ; Var can be zero or two chars (V[0-4])
  • bibcode : bibcode of the flux reference
Fluxes (5) :
R 6.16 [~] D 2009yCat.1315....0Z
G 5.819592 [0.002829] C 2020yCat.1350....0G
J 4.79 [0.04] E 2003yCat.2246....0C
H 4.60 [0.04] E 2003yCat.2246....0C
K 4.559 [0.038] C 2003yCat.2246....0C
SIMBAD within arcmin
', {sourceSize:12, color:'#30a090'})); aladin.on('objectClicked', function(object) { var objName=object.data.MAIN_ID; aladin.showPopup(object.ra,object.dec,'',''+ objName+''); });" title="Show Simbad objects"> Overlay Simbad points in this preview
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The search radius has to be specified by the user. It is currently limited to a maximum of 30 arcsec. It depends mostly on the precision or quality of the coordinates (SIMBAD and VizieR catalogs), the resolution of the images from which the sources were extracted, source extent, and source crowding.
Suggestions are: crowded field: 0.5 to 1.5 arcsec, 3 arcsec otherwise; uncertain coordinates (SIMBAD quality E or coordinates without reference): 5 to 30 arsec (risky!). sed-help-icon

Hierarchy : number of linked objects
whatever the membership probability is (see description here ) :

: 3 : 371 Display criteria :

The link on the acronym of the identifiers give access to the information for this acronym in the dictionary of nomenclature.
Identifiers (53) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

HD 206860 GEN# +1.00206860 PPM 140575 USNO-B1.0 1047-00622527
** LUH 4A GJ 9751 RGB J2144+147 uvby98 100206860
AG+14 2440 GJ 836.7 ROT 3163 V* HN Peg
AKARI-IRC-V1 J2144314+144617 GSC 01133-01258 RX J2144.4+1445 WDS J21445+1446A
ASCC 993573 HIC 107350 RX J2144.5+1446 WEB 19385
1AXG J214432+1446 HIP 107350 1RXS J214431.7+144612 WISEA J214431.49+144617.8
BD+14 4668 HR 8314 SAO 107364 YZ 14 8653
2E 4518 IRAS 21421+1432 SKY# 41452 [BSF97] J214431.20+144644.2
2E 2142.1+1432 LSPM J2144+1446 SPOCS 942 [GKL99] 410
2EUVE J2144+14.7 LTT 16357 TD1 28412 Gaia DR3 1772187382746856320
EUVE J2144+14.7 2MASS J21443131+1446190 TIC 301880196 Gaia DR2 1772187382746856320
FK5 3737 NLTT 51984 TYC 1133-1258-1
GC 30443 PLX 5246.1 UBV M 25912
GCRV 13661 PLX 5246.10 UCAC3 210-312741

References (515 between 1850 and 2024) (Total 515)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).
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                Reference summaries :

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Collections of Measurements


velocities : 13    V* : 2    distance : 2    ROT : 8    Fe_H : 30    PLX : 5    PM : 8    MK : 6   

   

Observing logs


herschel : 2    IUE : 22   

   

External archives :

Archive data at HEASARC - High-Energy Astrophysics Science Archive Research Center

Data at NED - NASA/IPAC Extragalactic Database : V* HN Peg

Link by name to the catalogue in VizieR :

HD 206860 AG+14 2440 AKARI-IRC-V1 J2144314+144617 BD+14 4668 2E 4518
EUVE J2144+14.7 FK5 3737 GJ 9751 GJ 836.7 GSC 01133-01258
HIC 107350 HIP 107350 HR 8314 IRAS 21421+1432 LSPM J2144+1446
2MASS J21443131+1446190 NLTT 51984 PPM 140575 1RXS J214431.7+144612 SAO 107364
TD1 28412 TYC 1133-1258-1 UCAC3 210-312741 USNO-B1.0 1047-00622527 uvby98 100206860
V* HN Peg WDS J21445+1446A WISEA J214431.49+144617.8 [GKL99] 410 Gaia DR3 1772187382746856320
Gaia DR2 1772187382746856320

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