21074+3841 MLB1019

 
 
21h 07m 22.19s +38 41' 11.0" P.A. 245 sep 5.8 mag 12.10,13.50 Sp K5
 
 
Coord 2000
21074+3841
Discov num
MLB1019
Comp
Coord arcsec 2000
21 07 22.19 +38 41 11.0
Date first
1936
Date last
2016
Obs
7
Pa first
248
Pa last
245
P.A. Now (θ)
245°
Sep first
5.0
Sep last
5.8
Sep. Now (ρ)
5.8"
Mag pri
12.10
Mag sec
13.50
delta mag (ΔM)
1.4
Spectral class
K5 (yellow-orange)
Pri motion ra
-001
Sec motion ra
Pri motion dec
-009
Sec motion dec
Notes
R (Red magnitudes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
245.4
Precise sep
5.8
Constellation
Cygnus
Tycho2
3168-01066-1
Gaia DR2
44771661696
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21074+3841 MLB1019 1936 1 248 5.0 9.85 11.40 K5 210722.19+384111.8
21074+3841 MLB1019 2008 3 243 5.8 12.20 13.70 K5 D 210717.04+384110.9
21074+3841 MLB1019 2013 5 242 6.0 12.20 13.70 K5 210717.04+384110.9
21074+3841 MLB1019 2015 6 246 5.9 12.10 13.50 K5 R 210717.04+384111.0
21074+3841 MLB1019 2016 5 245 5.8 12.10 13.50 K5 R 210722.19+384111.0

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