CDS

BD+68 946

Query : BD+68 946
C.D.S. - SIMBAD4 rel 1.7 - 2021.01.27CET17:23:34

Available data : Basic data  •  Identifiers  •  Plot & images  •  Bibliography  •  Measurements  •  External archives  •  Notes  •  Annotations

Basic data :
BD+68 946 -- High proper-motion Star
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: 		* (AG,ASCC,...), PM* (2013MNRAS,LHS,...), ** (**,CCDM,...), X (2E,RX,...), IR (IRAS,2MASS)
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) : 		17 36 25.8991699744 +68 20 20.904135942 (Optical) [ 0.0337 0.0346 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) : 		17 36 42.6114130408 +68 23 06.450121528 [ 0.0337 0.0346 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) : 		098.6023266757403 +31.9640821452080 [ 0.0337 0.0346 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 : 		-320.636 -1269.528 [0.074 0.071 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) -28.759 [0.0007] / z(spectroscopic) -0.000096 [0.000000] / cz -28.76 [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): 		219.7807 [0.0324] 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: 		M3.0V C 2015A&A...577A.128A
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 (10) :
U 11.73 [~] C 2002yCat.2237....0D
B 10.65 [~] C 2002yCat.2237....0D
R 8.3 [~] E 2003AJ....125..984M
G 8.0275 [0.0009] C 2018yCat.1345....0G
J 5.335 [0.021] C 2003yCat.2246....0C
H 4.77 [0.03] E 2003yCat.2246....0C
K 4.548 [0.021] C 2003yCat.2246....0C
g 10.459 [0.18] E 2012yCat.1322....0Z
r 8.954 [0.13] E 2012yCat.1322....0Z
i 7.666 [0.38] E 2012yCat.1322....0Z
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within radius 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!).

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

The count displayed here is the number of children objects.
The list obtained by clicking the button may be larger, as some children may be linked with different references or probability.

%This number is the number of distinct objets linked, by using this button, you will obtain all links (may be more than one) from that object to his children

: 2 		Display criteria :

The link on the acronym of the identifiers give access to the information for this acronym in the dictionary of nomenclature.
Identifiers (51) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

LHS 450 GEN# +0.06800946 2MASS J17362594+6820220 UBV 15039
** STU 10B G 240-63 MCC 322 UBV M 4844
AG+68 732 G 258-11 NLTT 45190 UCAC4 792-027376
ASCC 88385 GJ 687 8pc 220.85 USNO-B1.0 1583-00174990
BD+68 946 HIC 86162 PLX 4029 WDS J17364+6820B
CCDM J17366+6822B HIP 86162 PLX 4029.00 WEB 14533
Ci 18 2354 IDS 17370+6826 A PM J17364+6820 Zkh 260
Ci 20 1053 IRAS 17366+6822 PPM 20469 [GHM2003] 2100
2E 3930 JP11 237 RX J1736.4+6828 [RHG95] 2797
2E 1736.7+6822 Karmn J17364+683 RX J1736.4+6820 [ZEH2003] RX J1736.4+6820 1
GAT 732 LFT 1364 1RXS J173627.2+682031 Gaia DR1 1637645328881199360
GC 23926 LSPM J1736+6820 SAO 17568 Gaia DR2 1637645127018395776
GCRV 10198 LTT 15232 TYC 4428-1943-1

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References (256 between 1850 and 2021) (Total 256)
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


distance : 1    velocities : 7    PM : 10    Fe_H : 10    PLX : 5    MK : 16   

   

Observing logs


ISO : 4    herschel : 3    IUE : 1   

   

External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : BD+68 946

Link by name to the catalogue in VizieR :

LHS 450 AG+68 732 BD+68 946 CCDM J17366+6822B 2E 3930
G 240-63 G 258-11 GJ 687 HIC 86162 HIP 86162
IRAS 17366+6822 LSPM J1736+6820 2MASS J17362594+6820220 NLTT 45190 PLX 4029
PPM 20469 1RXS J173627.2+682031 SAO 17568 TYC 4428-1943-1 UCAC4 792-027376
USNO-B1.0 1583-00174990 WDS J17364+6820B Gaia DR1 1637645328881199360 Gaia DR2 1637645127018395776

Search by coordinates in Vizier (radius: 20 arcsec)

Annotations :
Annotations allow a user to add a note or report an error concerning the astronomical object and its data. It requires registration to post a note. See description .
Please, have a look at Best practices. The list of all annotations to SIMBAD objects can be found here .

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2021.01.27-17:23:34

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