18001+0537 TDT 623 AB

 
 
18h 00m 06.34s +05° 36' 52.8" P.A. 239.00 sep 0.3 mag 10.69,10.70 Sp A2
 
 
Coord 2000 18001+0537 Discov num TDT 623 Comp AB Coord arcsec 2000 18 00 06.34 +05 36 52.8
Date first 1991 Date last 2013 Obs 2
Pa first 309 Pa last 238.7 P.A. Now (θ) 238.7°
Sep first 0.6 Sep last 0.315 Sep. Now (ρ) 0.315"
Mag pri 10.69 Mag sec 10.70 delta mag (ΔM) 0.01 Spectral class A2 (white)
Pri motion ra +001 Sec motion ra +001
Pri motion dec -004 Sec motion dec -004
Notes
Nature of this double is uncertain.
 
 
18001+0537 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 18 00 06 +05 36 53 GII 256 Aa,Ab 2013 1 280 0.1 11.40 11.40 0.00
Show 18 00 06 +05 36 53 TDT 623 AB 2013 2 239 0.3 10.69 10.70 0.01 <===
Show 18 00 06 +05 36 53 SKF 1859 AB,C 2016 9 183 3.8 10.30 13.00 2.70
Quintuple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Ophiuchus Tycho2 0438-00043-1 Gaia DR2 4474439307693331584