stampa
Login

Less is more. Filter out doubles you can't observe!
Register here


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
20157+1537
CHE 247


Nearby doubles
3' : 20158+1536
BKO 551

3' : 20159+1535
CHE 252

4' : 20157+1534
BKO 547

5' : 20154+1538
CHE 243AB

6' : 20153+1535
CHE 242

6' : 20161+1537
CHE 255

8' : 20162+1535
CHE 256

9' : 20162+1534
CHE 257

9' : 20163+1538
CHE 261AB

11' : 20156+1527
BKO 546

12' : 20156+1526
HDS2887AB

17' : 20161+1552
BKO 557

17' : 20160+1521
CHE 253

17' : 20151+1552
BKO 543

17' : 20161+1553
CHE 254AB

18' : 20157+1520
CHE 248

18' : 20168+1543
CHE 266

18' : 20145+1541
CHE 231

19' : 20144+1533
CHE 229

20' : 20170+1538
CHE 269

21' : 20171+1536
CHE 272

21' : 20151+1555
CHE 241

23' : 20168+1523
CHE 267

26' : 20145+1555
CHE 230AB

27' : 20172+1553
CHE 273AB

27' : 20165+1601
BKO 559



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20157+1537 CHE 247

 
 
20h 15m 41.22s +15° 37' 18.0" sep 4.6 mag 10.33,11.50
 
 
Coord 2000 20157+1537 Discov num CHE 247 Comp Coord arcsec 2000 20 15 41.22 +15 37 18.0
Date first 1910 Date last 2015 Obs 7
Pa first 318 Pa last 359.8 P.A. Now (θ) 359.8°
Sep first 3.0 Sep last 4.555 Sep. Now (ρ) 4.555"
Mag pri 10.33 Mag sec 11.50 delta mag (ΔM) 1.17 Spectral class
Pri motion ra -015 Sec motion ra -014
Pri motion dec -013 Sec motion dec +022
Notes
rPM=1.343
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Gaia DR2 1808424464205800704 ADS 13597