20297+3733 ES 2509

 
 
20h 29m 34.78s +37 32' 55.7" P.A. 241 sep 3.3 mag 10.00,10.50
 
 
Coord 2000
20297+3733
Discov num
ES 2509
Comp
Coord arcsec 2000
20 29 34.78 +37 32 55.7
Date first
1931
Date last
2015
Obs
5
Pa first
243
Pa last
241
P.A. Now (θ)
241°
Sep first
3.1
Sep last
3.3
Sep. Now (ρ)
3.3"
Mag pri
10.00
Mag sec
10.50
delta mag (ΔM)
0.5
Spectral class
Pri motion ra
+008
Sec motion ra
Pri motion dec
+002
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
241.2
Precise sep
3.29
Constellation
Cygnus
SAO
70097
Tycho2
3152-01494-1
Gaia DR2
30873089408
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20297+3733 ES 2509 2004 3 239 3.3 10.00 10.50 202934.78+373255.7
20297+3733 ES 2509 2015 5 241 3.3 10.00 10.50 202934.78+373255.7

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