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Doubles in session


Current system
20138+1609
BKO 536


Nearby doubles
1' : 20137+1609
STF2651AB

2' : 20139+1611
BPM2065AB

3' : 20137+1608
CHE 216

5' : 20136+1613
CHE 214

6' : 20141+1612
CHE 223

6' : 20134+1611
CHE 211

9' : 20134+1604
CHE 212

9' : 20144+1608
CHE 228AB

10' : 20144+1611
CHE 227

15' : 20146+1600
CHE 233

15' : 20148+1605
CHE 238

15' : 20135+1555
CHE 213

15' : 20147+1602
CHE 236

17' : 20148+1616
CHE 237

17' : 20145+1555
CHE 230AB

18' : 20141+1553
BPM2068

19' : 20126+1616
CHE 67AB

19' : 20130+1624
BPM2061

20' : 20139+1549
CHE 219

23' : 20123+1607
CHE 189

24' : 20151+1555
CHE 241

24' : 20126+1553
BKO 530

26' : 20129+1548
CHE 201AB

27' : 20151+1552
BKO 543

29' : 20124+1550
CHE 193

30' : 20132+1541
CHE 207AB



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20138+1609 BKO 536

 
 
20h 13m 48.32s +16° 09' 14.3" P.A. 256.00 sep 8.8 mag 12.50,13.50
 
 
Coord 2000 20138+1609 Discov num BKO 536 Comp Coord arcsec 2000 20 13 48.32 +16 09 14.3
Date first 1998 Date last 2015 Obs 7
Pa first 256 Pa last 255.9 P.A. Now (θ) 255.9°
Sep first 8.8 Sep last 8.772 Sep. Now (ρ) 8.772"
Mag pri 12.50 Mag sec 13.50 delta mag (ΔM) 1 Spectral class
Pri motion ra +042 Sec motion ra
Pri motion dec -028 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagitta Gaia DR2 1808691164499031424