20339+2923 MLB 481

 
 
20h 33m 59.50s +29 23' 33.6" P.A. 345 sep 4 mag 9.50,11.00 Sp M0
 
 
Coord 2000
20339+2923
Discov num
MLB 481
Comp
Coord arcsec 2000
20 33 59.50 +29 23 33.6
Date first
1926
Date last
2015
Obs
4
Pa first
325
Pa last
345
P.A. Now (θ)
345°
Sep first
4.5
Sep last
4.0
Sep. Now (ρ)
4"
Mag pri
9.50
Mag sec
11.00
delta mag (ΔM)
1.5
Spectral class
M0 (red)
Pri motion ra
-002
Sec motion ra
Pri motion dec
-001
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
344.6
Precise sep
3.992
Constellation
Vulpecula
Tycho2
2169-01001-1
Gaia DR2
93295130240
HD
334712
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20339+2923 MLB 481 2005 2 342 4.3 9.50 11.00 203359.50+292333.6
20339+2923 MLB 481 2015 3 345 4.0 9.50 11.00 M0 203359.50+292333.6

If you need more information about this double, apply for a data request form to the WDS.