1991JAVSO..20...90S

Query : 1991JAVSO..20...90S

1991JAVSO..20...90S - J. Am. Assoc. Variable star obs., 20, 90-94 (1991)

The complicated period changes of IV Cygni.

SWELLERT S.M.

Journal keyword(s):

Simbad objects: 1

goto View the references in ADS

Number of rows : 1
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 V* IV Cyg RR* 19 50 12.3096081192 +34 19 26.472408240           ~ 11 0

Query : 1991JAVSO..20...90S

Basic data :
V* IV Cyg -- RR Lyrae Variable
Other object types: otypes_help 		V* (AN,V*), RR* (2022yCat), RR? (2022MNRAS), Pu* (2018AJ), * (Gaia), NIR (2MASS), Opt (ATO)
ICRS coord. (ep=J2000) : 		19 50 12.3096081192 +34 19 26.472408240 (Optical) [ 0.0108 0.0127 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		19 48 18.9653896154 +34 11 46.510141298 [ 0.0108 0.0127 90 ]
Gal coord. (ep=J2000) : 		069.7192467673841 +04.0544414776246 [ 0.0108 0.0127 90 ]
Proper motions mas/yr : 		-1.059 1.764 [0.015 0.016 90] A 2020yCat.1350....0G
Radial velocity / Redshift / cz : 		V(km/s) -17.81 [3.97] / z(spectroscopic) -0.000059 [0.000013] / cz -17.81 [3.97]
   (Opt) C 2022yCat.1355....0G
Parallaxes (mas): 		0.4712 [0.0146] A 2020yCat.1350....0G
Fluxes (6) :
G 13.770670 [0.014006] C 2020yCat.1350....0G
J 12.422 [0.022] C 2003yCat.2246....0C
H 12.065 [0.025] C 2003yCat.2246....0C
K 11.948 [0.021] C 2003yCat.2246....0C
g 14.3885450 [~] D 2022MNRAS.510.3575H
r 13.7370577 [~] D 2022MNRAS.510.3575H
SIMBAD within arcmin
Overlay Simbad points in this preview
Back
All CDSPortal (CDSPortal)
Send to sendBySAMP sendBySAMP
sedIcon
within arcsec sed-help-icon

Identifiers (7) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

2MASS J19501231+3419264 ATO J297.5512+34.3240 V* IV Cyg Gaia DR3 2035406446387785088
AN 321.1929 TIC 83308642 Gaia DR2 2035406446387785088

References (11 between 1850 and 2026) (Total 11)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).
Follow new references on this object
                Reference summaries :

                from: to:

                 or select by : (not exhaustive, explanation here)

Collections of Measurements Description of Measurements

Velocities : 1    Distance : 3    Var : 4    Plx : 2    PM : 2   

   

External archives :

Link by name to the catalogue in VizieR :

2MASS J19501231+3419264 V* IV Cyg Gaia DR2 2035406446387785088 Gaia DR3 2035406446387785088

Search by coordinates in Vizier (radius: 5 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 .

The annotation server is currently not available. Sorry for any inconvenience

To bookmark this query, right click on this link: simbad:objects in 1991JAVSO..20...90S and select 'bookmark this link' or equivalent in the popup menu