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Doubles in session


Current system
20179+1508
A 1669
HD 193081


Nearby doubles
5' : 20177+1504
BPM2091

6' : 20182+1511
A 1670

7' : 20183+1509
CHE 294AB

7' : 20177+1503
CHE 279

7' : 20183+1508
BPM2098

7' : 20182+1504
BPM2097

8' : 20180+1501
CHE 287

11' : 20181+1519
CHE 290

12' : 20172+1515
CHE 274AB

12' : 20178+1520
CHE 281

12' : 20179+1520
SMA 116

14' : 20185+1519
BPM2100

14' : 20169+1506
CHE 268AB

15' : 20174+1522
CHE 276

17' : 20181+1452
BPM2096

17' : 20167+1513
CHE 265

18' : 20180+1526
CHE 286

20' : 20167+1459
BPM2086

21' : 20168+1523
CHE 267

21' : 20190+1456
CHE 303

22' : 20178+1530
CHE 280

22' : 20192+1517
BPM2107

22' : 20189+1524
CHE 302

22' : 20164+1500
CHE 262

23' : 20194+1507
BPM2110

24' : 20162+1507
CHE 258



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.

20179+1508 A 1669 (HD 193081)

 
 
20h 17m 52.59s +15° 08' 12.4" P.A. 247.00 sep 3.1 mag 8.85,11.40 Sp F8
 
 
Coord 2000 20179+1508 Discov num A  1669 Comp Coord arcsec 2000 20 17 52.59 +15 08 12.4
Date first 1907 Date last 2016 Obs 9
Pa first 246 Pa last 247 P.A. Now (θ) 247°
Sep first 3.1 Sep last 3.12 Sep. Now (ρ) 3.12"
Mag pri 8.85 Mag sec 11.40 delta mag (ΔM) 2.55 Spectral class F8 (yellow-white)
Pri motion ra +024 Sec motion ra
Pri motion dec +029 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 193081 Constellation Delphinus SAO 105933 Tycho2 1631-01365-1
Gaia DR2 1808336198338866304 HD 193081