19023+4958 KOI 253 AB

19h 02m 17.84s +49° 57' 44.2" P.A. 163.00 sep 4.6 mag 12.30,13.90

Coord 2000 19023+4958 Discov num KOI 253 Comp AB Coord arcsec 2000 19 02 17.84 +49 57 44.2
Date first 2003 Date last 2015 Obs 3
Pa first 165 Pa last 162.7 P.A. Now (θ) 162.7°
Sep first 4.9 Sep last 4.585 Sep. Now (ρ) 4.585"
Mag pri 12.30 Mag sec 13.90 delta mag (ΔM) 1.6 Spectral class
Pri motion ra -012 Sec motion ra
Pri motion dec -008 Sec motion dec
Notes K (K-band or other infrared magnitudes)


Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes

Nature of this double is uncertain.



19023+4958 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 19 02 18 +49 57 44 KOI 253 AB 2015 3 163 4.6 12.30 13.90 1.60 <===
Show 19 02 18 +49 57 44 KOI 253 AC 2014 1 172 4.7 12.30 17.80 5.50


Triple system
3 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Draco Gaia DR2 2132144056342471168