20037+3820 HJ 1470

 
 
20h 03m 39.50s +38 19' 38.3" P.A. 341 sep 29.3 mag 7.40,9.23 Sp M dist. 649.35 pc (2118.18 l.y.)
 
 
Coord 2000
20037+3820
Discov num
HJ 1470
Comp
Coord arcsec 2000
20 03 39.50 +38 19 38.3
Date first
1828
Date last
2016
Obs
30
Pa first
333
Pa last
341
P.A. Now (θ)
341°
Sep first
25.0
Sep last
29.3
Sep. Now (ρ)
29.3"
Mag pri
7.40
Mag sec
9.23
delta mag (ΔM)
1.83
Spectral class
M (red)
Pri motion ra
-015
Sec motion ra
+002
Pri motion dec
-012
Sec motion dec
-003
Notes
N (See Notes)
rPM=1.001
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
340.6
Precise sep
29.261
Constellation
Cygnus
SAO
69335
HIP
98773
Tycho2
3150-02591-1
Gaia DR2
12645103104
HD
190466
BD
BD+37 3744
Distance
649.35
Distance ly
2118.18
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20037+3820 HJ 1470 2005 26 340 28.6 7.40 9.23 M N D 200339.50+381938.3
20037+3820 HJ 1470 2016 29 341 29.3 7.40 9.23 M N 200339.50+381938.3

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