V1357 Cyg

Query : V1357 Cyg C.D.S. - SIMBAD4 rel 1.225 - 2015.08.03CEST23:24:02

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


Basic data :
V* V1357 Cyg -- High Mass X-ray Binary
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,ALS,BD,CGO,GCRV,GEN#​,GOS,GSC,HD,HIC​,Hilt,HIP,LS,MCW​,PPM,SAO,TYC,UBV,uvby98), X (3A,2E,1H,H,1M,PBC​,1RXS,SWIFT,2U,3U​,4U,1XRS,X,[BM83],[KRL2007b]), gam (1FGL,INTEGRAL1,INTREF), SB* (SBC7,SBC9), V* (V*,AAVSO), BH? (Ref), El* (Ref), HXB (Ref), *iA ([MJD95]), Ae* (Ref), s*b (Ref), IR (2MASS)
Syntax of coordinates is : "ra dec (wtype) [error ellipse] quality bibcode" :
  • ra : right ascension (unit and frame defined according to your Output Options)
  • dec : declination (unit and frame defined according to your Output Options)
  • (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) :
19 58 21.67595 +35 12 05.7783 ( Optical ) [ 7.56 6.59 89 ] A 2007A&A...474..653V
Syntax of coordinates is : "ra dec (wtype) [error ellipse] quality bibcode" :
  • ra : right ascension (unit and frame defined according to your Output Options)
  • dec : declination (unit and frame defined according to your Output Options)
  • (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) :
19 58 21.676 +35 12 05.78 [ 7.56 6.59 89 ]
Syntax of coordinates is : "ra dec (wtype) [error ellipse] quality bibcode" :
  • ra : right ascension (unit and frame defined according to your Output Options)
  • dec : declination (unit and frame defined according to your Output Options)
  • (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) :
19 56 28.88 +35 03 54.8 [ 43.66 38.08 90 ]
Syntax of coordinates is : "ra dec (wtype) [error ellipse] quality bibcode" :
  • ra : right ascension (unit and frame defined according to your Output Options)
  • dec : declination (unit and frame defined according to your Output Options)
  • (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) :
071.3350 +03.0668 [ 7.56 6.59 89 ]
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 :
-3.37 -7.15 [0.75 0.86 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) -2.70 [3.2] / z(~) -0.000009 [0.000011] / cz -2.70 [3.20]   (~) C 2006AstL...32..759G
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:
1.68 [0.91] A 2007A&A...474..653V
Spectral type is made of 3 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
  • bibcode : bibcode of the spectral type reference
Spectral type:
O9.7IabpeV C 2011ARep...55...31S
Syntax of fluxes (or magnitudes) is : "filter-name flux-value [error] quality MultVarFlags bibcode"
  • filter-name : U, B, V, R, I, J, H, K, u, g, r, i, z
  • 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 (7) :
U 9.38 [~] C 1973LicOB..24....1B
B 9.72 [~] C 2002yCat.2237....0D
V 8.91 [~] C 2002yCat.2237....0D
R 8.42 [0.06] E 2009yCat.1315....0Z
J 6.872 [0.023] C 2003yCat.2246....0C
H 6.652 [0.018] C 2003yCat.2246....0C
K 6.501 [0.020] C 2003yCat.2246....0C
SIMBAD with radius arcmin
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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!).

The link on the acronym of the identifiers give access to the information for this acronym in the dictionary of nomenclature.
Identifiers (48) :

V* V1357 Cyg GSC 02678-00791 2MASS J19582166+3512057 2U 1956+35
3A 1956+350 1H 1956+350 MCW 770 3U 1956+35
AG+35 1910 HD 226868 PBC J1958.3+3512 4U 1956+35
ALS 10678 H 1956+350 PPM 83929 UBV 17047
BD+34 3815 H 1957+35 1RXS J195821.9+351156 UBV M 27507
CGO 548 HIC 98298 SAO 69181 uvby98 100226868 V
2E 4306 Hilt 849 SBC7 776 1XRS 19564+350
2E 1956.4+3503 HIP 98298 SBC9 1193 X Cyg X-1
1FGL J1958.9+3459 INTEGRAL1 116 SV* SVS 1808 [BM83] X1956+350
GCRV 12319 INTREF 1001 SWIFT J1958.4+3510 [KRL2007b] 370
GEN# +1.00226868 LS II +35 8 SWIFT J1958.3+3512 [MJD95] J195821.72+351205.9
GOS G071.34+03.07 01 1M 1956+350 TYC 2678-791-1 AAVSO 1954+34

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References (3379 between 1850 and 2015)
Simbad bibliographic survey began in 1950 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).

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Measurements (15 types) :


distance : 1    Einstein : 1    ISO : 6    IUE : 54    JP11 : 1    MK : 3    oRV : 3    PLX : 2    PM : 1    pos : 1    posa : 1    UBV : 3   
uvby1 : 2    velocities : 4    XMM : 12   

   


External archives :

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

Data at NED - NASA/IPAC Extragalactic Database

Catalogue information from VizieR :

Generic search by coordinates (radius: 5 arcsec)

V* V1357 Cyg AG+35 1910 ALS 10678 BD+34 3815 GSC 02678-00791
HD 226868 HIC 98298 HIP 98298 LS II +35 8 2MASS J19582166+3512057
PPM 83929 1RXS J195821.9+351156 SAO 69181 TYC 2678-791-1

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2015.08.03-23:24:02

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