** STT 481AB

Query : ** STT 481AB
C.D.S. - SIMBAD4 rel 1.5.12 - 2017.11.18CET05:39:19

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


Basic data :
HD 215730 -- 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:
* (HD,AG,...), ** (**,ADS,...), IR (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] : coordinates error major axis, minor axis (in mas at epoch defined in your output options),
    position angle (in degrees North to East of the specified coordinate frame)
  • 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) :
22 43 50.74011 +78 31 05.7396 (Optical) [ 6.85 5.71 90 ] A 2007A&A...474..653V
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] : coordinates error major axis, minor axis (in mas at epoch defined in your output options),
    position angle (in degrees North to East of the specified coordinate frame)
  • 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
FK5 coord. (ep=J2000 eq=2000) :
22 43 50.740 +78 31 05.74 [ 6.85 5.71 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] : coordinates error major axis, minor axis (in mas at epoch defined in your output options),
    position angle (in degrees North to East of the specified coordinate frame)
  • 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) :
22 43 03.34 +78 15 19.0 [ 39.42 33.21 0 ]
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] : coordinates error major axis, minor axis (in mas at epoch defined in your output options),
    position angle (in degrees North to East of the specified coordinate frame)
  • 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) :
116.6089 +17.2448 [ 6.85 5.71 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 :
10.29 2.60 [0.78 0.65 0] A 2007A&A...474..653V
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) -5.20 [3.8] / z(~) -0.000017 [0.000013] / cz -5.20 [3.80]
   C 2006AstL...32..759G
Syntax of parallax is : 'value quality [error] bibcode'
  • value : arallax ivalueworst quality, ~ =unknown quality)
  • bibcode : bibcode of the proper motion reference
bibcode : bibcode of the prallax ireference
Prallax es (mas):
2.56 [0.61] A 2007A&A...474..653V
Spectral type is made of 3 parts:
  • the spectral type, which is made of a temperature class, eventrenly a luminosEM> class (roman number) and/or spectral peculiarities;
  • a quality, ~ =unknletter: A=best quality: bibode of the proper motion reference
  • bibcode : bibcode of the spectral typeireference
Spectral type:
A0II-III D ~
Syntax of flu es (or magnitudes) is : "filter-name (System) flu -value [error] de MultVarF qus bibcode"
  • filter-name : U, B, V, R, I, G, J, H, K, u, g, r, i, z
  • (System) the cormay be AB (default is Vega)
  • flu -value the corvalue of flu or magnitude
  • [error] : error valueworst quality, ~ =unknown quality)
  • bibcode : bibcode of the flu reference
Flu es (5) :
B 7.43 [0.01] D 2000A&A...355L..27H
V 7.47 [0.01] D 2000A&A...355L..27H
J 7.247 [0.024] C 2003yCat.2246....0C
H 7.293 [0.038] C 2003yCat.2246....0C
K 7.270 [0.036] C 2003yCat.2246....0C
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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 orty)
  • Suggestions are: crowded field: 0.5 to 1.5 arcsec, 3 arcsec otherwise; uncertain coordinates (SIMBAD y)
  • Some important notes on this object about identifications and objects associations.
    notes:


    The link on the acronym of the identifiers give access to the information for this acronym in the dictionary of nomenclature.
    Identifiers (14) :

    HD 215730 BD+77 871 IDS 22422+7759 TYC 4605-1525-1
    ** STT 481AB CCDM J22438+7831AB 2MASS J22435057+7831058 WDS J22438+7831AB
    ADS 16243 AB HIC 112230 PPM 11339
    AG+78 544 HIP 112230 SKY# 43205

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    References (9 between 1850 and 2018)
    Simbad bibliographic survey began in 1950 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).
    Follow new references on this object

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                                      Sort reference summaries by : (not exhaustive, explanation here)

                                     


    Measurements (4 types) :


    PM : 2    pos : 2    posa : 1    velocities : 1   

       


    External archives :

    Link by name to the catalogue in VizieR :

    HD 215730 AG+78 544 BD+77 871 CCDM J22438+7831AB HIC 112230
    HIP 112230 2MASS J22435057+7831058 PPM 11339 TYC 4605-1525-1 WDS J22438+7831AB

    Search by coordinates in Vizier (radius: 5 arcsec)


    Annotations :
    Annotations allow a user to add a note ortreport an error concerning the astronomical object and its data. It requires registration to post a note. See description .
    The list of all annotations to SIMBAD objects can be found here .

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    2017.11.18-05:39:19

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