Ross 128

Query : Ross 128

Basic data :
Ross 128 -- Eruptive variable 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:
* (2003A&A,HIP,...), PM* (2013MNRAS,Ci,...), IR (IRAS,2MASS,...), X (2E,RX,...), Er* (2017ARep,[GKL99]), UV (2016ApJ,GALEX), V* (V*)
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) :
11 47 44.3968668170 +00 48 16.404931305 (Optical) [ 0.0627 0.0414 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) :
11 45 08.5524750352 +01 05 58.001153645 [ 0.0627 0.0414 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) :
270.1470857935300 +59.5591207320464 [ 0.0627 0.0414 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 :
607.678 -1223.323 [0.137 0.078 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) -30.66 [0.0005] / z(spectroscopic) -0.000102 [0.000000] / cz -30.66 [0.00]
   (Opt) A 2018MNRAS.475.1960F
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):
296.3073 [0.0699] 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:
dM4 C 2019AJ....157...63K
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 (12) :
U 14.223 [0.0078] B 2009AJ....137.4186L
B 12.905 [0.002] B 1992AJ....104..340L
V 11.153 [0.002] B 1992AJ....104..340L
R 9.859 [0.0028] B 2009AJ....137.4186L
G 9.5907 [0.0011] C 2018yCat.1345....0G
I 8.184 [0.0028] B 2009AJ....137.4186L
J 6.505 [0.023] C 2003yCat.2246....0C
H 5.945 [0.024] C 2003yCat.2246....0C
K 5.654 [0.024] C 2003yCat.2246....0C
g 11.887 [0.01] D 2012yCat.1322....0Z
r 10.492 [0.06] D 2012yCat.1322....0Z
i 8.791 [0.06] D 2012yCat.1322....0Z
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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sedIcon
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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Hierarchy : number of linked objects
whatever the membership probability is (see description here ) :

: 1
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

: 1
: 94 Display criteria :

The link on the acronym of the identifiers give access to the information for this acronym in the dictionary of nomenclature.
Identifiers (56) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

HIP 57548 GJ 447 MCC 286 UCAC4 455-052049
ASCC 1136005 GSC 00272-00665 NLTT 28570 USNO-B1.0 0908-00204201
Ci 20 662 GSC 00272-01051 8pc 299.58 USNO 615
CSI+01-11451 HIC 57548 PLX 2730 USNO 840
2E 2532 IRAS 11451+0105 PLX 2730.00 V* FI Vir
2E 1145.1+0105 JP11 5144 PM 11452+0106 VVO 214
EPIC 201518346 JP11 5186 PM J11477+0048 WEB 10335
GALEX 3196326618938216349 JP11 5145 Ross 128 WISEA J114744.81+004803.7
GAT 1132 Karmn J11477+008 RX J1147.7+0048 Zkh 169
GAT 1131 LFT 852 1RXS J114744.7+004831 [GKL99] 248
GCRV 7139 LHS 315 TIC 325275315 [RHG95] 1849
GEN# +6.10010447 LSPM J1147+0048 TYC 272-1051-1 [ZEH2003] RX J1147.7+0048 1
G 10-50 LTT 13240 UBV M 42951 Gaia DR2 3796072592206250624
G 11-22 2MASS J11474440+0048164 UCAC2 32039206 Gaia DR1 3796072587910775936

References (361 between 1850 and 2021) (Total 361)
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 :

                from: to:

                 or select by : (not exhaustive, explanation here)


Collections of Measurements


velocities : 9    V* : 3    distance : 2    ROT : 1    Fe_H : 16    PLX : 5    PM : 7    MK : 13   

   

Observing logs


herschel : 3    IUE : 3   

   


External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : Ross 128

Link by name to the catalogue in VizieR :

HIP 57548 2E 2532 G 10-50 G 11-22 GJ 447
GSC 00272-00665 GSC 00272-01051 HIC 57548 IRAS 11451+0105 LHS 315
LSPM J1147+0048 2MASS J11474440+0048164 NLTT 28570 PLX 2730 1RXS J114744.7+004831
TYC 272-1051-1 UCAC2 32039206 UCAC4 455-052049 USNO-B1.0 0908-00204201 V* FI Vir
WISEA J114744.81+004803.7 [GKL99] 248 Gaia DR2 3796072592206250624 Gaia DR1 3796072587910775936

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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2021.09.25-14:17:58

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