BD+36 2322

Query : BD+36 2322

Basic data :
BD+36 2322 -- Variable of BY Dra type
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:
* (1962AJ,BD,...), X (2009ApJ,1E,...), PM* (2013MNRAS,G,...), UV (2EUVE,EUVE,...), ** (**,CCDM,...), V* (1SWASP,V*), IR (2MASS,WISEA), Er* ([GKL99]), BY* (2017ARep)
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) :
12 57 40.2114201833 +35 13 30.069647793 (Optical) [ 0.2078 0.1972 90 ] A 2018yCat.1345....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) :
12 55 19.0102510767 +35 29 48.597993759 [ 0.2078 0.1972 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) :
113.9787630476025 +81.7946111769622 [ 0.2078 0.1972 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 :
-242.127 -135.949 [0.514 0.687 90] A 2018yCat.1345....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) -3.65 [0.37] / z(spectroscopic) -0.000012 [0.000001] / cz -3.65 [0.37]
   (Opt) A 2018yCat.1345....0G
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):
46.8354 [0.2763] A 2018yCat.1345....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:
M0V+M4/5V C 1986AJ.....92..139S
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 (6) :
B 12.2 [~] E ~
R 10.137 [0.02] D 2012yCat.1322....0Z
G 9.7654 [0.0011] C 2018yCat.1345....0G
J 7.401 [0.019] C 2003yCat.2246....0C
H 6.734 [0.017] C 2003yCat.2246....0C
K 6.552 [0.016] 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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within arcsec The VizieR photometry tool allows for easy visualization of photometry points extracted around the Simbad position from photometry-enabled catalogues in VizieR.
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!).
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Some important notes on this object about identifications and objects associations.
notes:


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

: 3 : 1097 Display criteria :

The link on the acronym of the identifiers give access to the information for this acronym in the dictionary of nomenclature.
Identifiers (55) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

BD+36 2322A GCRV 63729 2RE J1257+351 V* BF CVn
** LDS 5764A GEN# +0.03602322A 2RE J125739+351316 WDS J12576+3514A
** LEP 60A G 164-32 RE J125740+351235 WDS J12576+3514Aa,Ab
** BWL 35Aa,Ab G 123-75 RE J1257+351 WEB 11211
ASCC 494777 GJ 490 A 2RXP J125740.4+351324 WISEA J125740.01+351328.5
BD+36 2322 HIC 63253 RX J1257.6+3513 [FS2003] 0656
BPS BS 16466-0080 HIP 63253 RX J1257.6+3514 [GKL99] 273
CCDM J12577+3514A LSPM J1257+3513E 1RXS J125740.2+351334 [GKL99] 272
1E 1255.3+3529 2MASS J12574030+3513306 StKM 2-892 [RHG95] 2035
2E 2920 MCC 298 1SWASP J125740.26+351330.1 [SLS2012] PYC J12576+3513S
2E 1255.3+3529 NGP 36 157 TIC 165916576 [TSA98] J125740.45+351345.03
1ES 1255+35.4 NLTT 32441 TYC 2534-825-1 [ZEH2003] RX J1257.6+3513 2
2EUVE J1257+35.2 PM J12576+3513E UCAC4 627-047804 Gaia DR2 1515952176488267008
EUVE J1257+35.2 RBS 1191 USNO-B1.0 1252-00202776

References (218 between 1850 and 2021) (Total 218)
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 : 9    V* : 2    diameter : 1    distance : 2    ROT : 1    Fe_H : 2    PLX : 3    PM : 5    MK : 7   

   

Observing logs


IUE : 3   

   


External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : BD+36 2322

Link by name to the catalogue in VizieR :

BD+36 2322 CCDM J12577+3514A 2E 2920 EUVE J1257+35.2 G 164-32
G 123-75 GJ 490 A HIC 63253 HIP 63253 LSPM J1257+3513E
2MASS J12574030+3513306 NLTT 32441 2RE J1257+351 2RE J125739+351316 1RXS J125740.2+351334
TYC 2534-825-1 UCAC4 627-047804 USNO-B1.0 1252-00202776 V* BF CVn WDS J12576+3514A
WDS J12576+3514Aa,Ab WISEA J125740.01+351328.5 [GKL99] 273 [GKL99] 272 Gaia DR2 1515952176488267008

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Annotations :
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Please, have a look at Best practices. The list of all annotations to SIMBAD objects can be found here .

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2021.08.01-17:36:46

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