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Doubles in session


Current system
20123+1529
CHE 190


Nearby doubles
5' : 20123+1525
BPM2055

6' : 20123+1524
CHE 191AB

6' : 20122+1534
CHE 187AB

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CHE 205

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CHE 198

14' : 20115+1524
BPM2048

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CHE 209

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BKO 533

15' : 20127+1516
CHE 195

17' : 20134+1536
BKO 534

17' : 20127+1514
BPM2058

18' : 20122+1512
CHE 188AB

18' : 20132+1541
CHE 207AB

20' : 20136+1537
CHE 215AB

20' : 20133+1516
CHE 210

21' : 20129+1548
CHE 201AB

21' : 20124+1550
CHE 193

22' : 20128+1508
CHE 199

22' : 20127+1508
CHE 196

23' : 20139+1529
CHE 220

24' : 20126+1506
CHE 194

25' : 20126+1553
BKO 530

25' : 20108+1541
BPM2045

26' : 20128+1504
CHE 200

28' : 20129+1503
CHE 203

28' : 20123+1501
CHE 192



Selections
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Binary Systems
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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20123+1529 CHE 190

 
 
20h 12m 19.97s +15° 29' 04.1" P.A. 233.00 sep 33.7 mag 12.60,13.09
 
 
Coord 2000
20123+1529
 Discov num
CHE 190
 Comp
Coord arcsec 2000
20 12 19.97 +15 29 04.1
Date first
1910
 Date last
2015
 Obs
13
Pa first
233
 Pa last
233
 P.A. Now (θ)
233°
Sep first
34.1
 Sep last
33.7
 Sep. Now (ρ)
33.7"
Mag pri
12.60
 Mag sec
13.09
 delta mag (ΔM)
0.49
 Spectral class
Pri motion ra
+003
 Sec motion ra
+000
Pri motion dec
-003
 Sec motion dec
+001
Notes
rPM=1.179
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
232.9
 Precise sep
33.734
 Constellation
Aquila
 Gaia DR2
1808503976948791296
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20123+1529 CHE 190 2002 4 233 33.7 10.33 11.00 D 201219.97+152904.1
20123+1529 CHE 190 2008 5 233 34.0 10.33 11.00 D 201219.97+152904.1
20123+1529 CHE 190 2010 8 233 33.7 12.60 13.09 201219.97+152904.1
20123+1529 CHE 190 2015 9 233 33.7 12.60 13.09 201219.97+152904.1

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