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Current system
00220+2711
HDS 48
HD 1756


Nearby doubles
6' : 00220+2706
CHE 13

12' : 00220+2659
CHE 14

14' : 00210+2647
CHE 9

15' : 00215+2658
HJ 1020

16' : 00220+2726
CHE 12

17' : 00232+2710
CHE 16

19' : 00206+2712
LDS3154

21' : 00214+2729
CHE 11

21' : 00235+2709
CHE 18

22' : 00209+2655
CHE 8

27' : 00237+2702
CHE 20

28' : 00230+2735
TDS 16

31' : 00208+2737
CHE 7

34' : 00214+2744
CHE 10AB

34' : 00241+2652
TDS1441

36' : 00243+2731
CHE 21

44' : 00250+2653
CHE 25

44' : 00250+2726
CHE 24

47' : 00199+2633
CHE 4

47' : 00247+2740
LDS3164

48' : 00243+2634
CHE 22

50' : 00195+2634
CHE 3AB

52' : 00234+2624
CHE 17AB

54' : 00252+2743
CHE 26

56' : 00236+2621
CHE 19

60' : 00204+2617
CHE 6



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

00220+2711 HDS 48 (HD 1756)

 
 
00h 22m 00.10s +27° 11' 09.7" P.A. 243.00 sep 10.3 mag 8.79,11.74 Sp A2 dist. 215.52 pc (703.03 l.y.)
 
 
Coord 2000 00220+2711 Discov num HDS  48 Comp Coord arcsec 2000 00 22 00.10 +27 11 09.7
Date first 1991 Date last 2015 Obs 13
Pa first 242 Pa last 242.5 P.A. Now (θ) 242.5°
Sep first 8.2 Sep last 10.339 Sep. Now (ρ) 10.339"
Mag pri 8.79 Mag sec 11.74 delta mag (ΔM) 2.95 Spectral class A2 (white)
Pri motion ra +054 Sec motion ra -028
Pri motion dec +017 Sec motion dec -023
Notes
rPM=1.612
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 1756 Constellation Andromeda SAO 73927 HIP 1740
Tycho2 1733-00031-1 Gaia DR2 2856593434448392064 HD 1756 BD BD+26 42
Distance 215.52 Distance ly 703.03