21558+3716 HO 174 CD

 
 
21h 55m 38.57s +37° 14' 03.5" P.A. 262.00 sep 6.0 mag 11.50,11.90
 
 
Coord 2000 21558+3716 Discov num HO  174 Comp CD Coord arcsec 2000 21 55 38.57 +37 14 03.5
Date first 1881 Date last 2015 Obs 20
Pa first 269 Pa last 261.8 P.A. Now (θ) 261.8°
Sep first 6.3 Sep last 5.98 Sep. Now (ρ) 5.98"
Mag pri 11.50 Mag sec 11.90 delta mag (ΔM) 0.4 Spectral class
Pri motion ra +020 Sec motion ra -026
Pri motion dec -004 Sec motion dec -010
Notes N W R (See Notes, , Red magnitudes)
rPM=1.665
This double is not physical.
 
 
21558+3716 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21 55 48 +37 15 54 HO 174 AB 2016 25 335 7.6 10.38 10.75 0.37
Show 21 55 48 +37 15 54 HO 174 AC 2015 18 226 160.4 10.38 11.50 1.12
Show 21 55 48 +37 16 01 HO 174 BC 2015 9 224 163.0 10.75 11.50 0.75
Show 21 55 39 +37 14 04 HO 174 CD 2015 20 262 6.0 11.50 11.90 0.40 <===
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2731-00737-1 Gaia DR2 1949827986028540800
 
 
WDS 21558+3716 HO 174 CD : NOTES
 
 
discov_num notes refcode
HO 174 Schembor measures a companion he calls C. 1925.57, 109.5@, 89.74". Sch1927b
CD: Also known as ALI 445.
 
 
REFERENCES
 
 
refcode metd author reference
Sch1927b Ma - Schembor, F. 1927AN....230..329S
Sch1927b AN 230, 329, 1927
 
 
DISCOVERER
 
 
idgroup discov author
1 HO Hough, G.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21558+3716 HO 174 CD 2004 8 82 6.1 10.80 10.80 N D 215538.58+371403.5
21558+3716 HO 174 CD 2010 9 82 5.9 12.32 12.40 N D 215538.58+371403.5
21558+3716 HO 174 CD 2011 11 82 6.0 12.32 12.40 N D 215538.58+371403.5
21558+3716 HO 174 CD 2012 13 82 5.0 12.70 12.33 N 215538.08+371402.7
21558+3716 HO 174 CD 2015 15 262 6.0 11.50 11.90 N R 215538.57+371403.5

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

 
 
WDS 21558+3716 HO 174 CD : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21558+3716 HO 174 CD : MEASURES
 
 
No records found.

 
 
WDS 21558+3716 : VIRTUAL EYEPIECE
 
 

21558+3716 HO  174A mag 10.38 Sp A9 21558+3716 HO  174B sep 7.6 P.A. 335.00 mag 10.75 Sp F2 21558+3716 HO  174C sep 160.7 P.A. 226.50 mag 11.5 21558+3716 HO  174D sep 164.7 P.A. 227.40 mag 11.9 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

Radius:
Components only
 
 
WDS 21558+3716 : ALADIN DSS IMAGE @ 21h 55m 38.57s +37° 14' 03.5"
 
 
 
 
WDS 21558+3716 HO 174 CD : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


21558+3716  HO  174CD distance=0' 21558+3716  HO  174AB distance=3' 21558+3716  HO  174AC distance=3' 21558+3716  HO  174BC distance=3' 21560+3712  SCH   1 distance=5' 21557+3708  ES 2523 distance=8' 21564+3725  ES 2525 distance=14' 21565+3701  ES 2069AB distance=18' 21565+3701  ES 2069AC distance=18' 21573+3732  ES 2526BC distance=26' 21569+3735  BKO 905AB distance=26' 21569+3735  BKO 905AC distance=26' 21569+3735  BKO 905AD distance=26' 21573+3732  ES 2526AB distance=27' 21573+3732  ABH 155AD distance=27' 21573+3732  ABH 155AE distance=27' 21573+3732  ABH 155AF distance=27' 21573+3732  ABH 155AG distance=27' 21573+3732  ABH 155AH distance=27' 21573+3732  ABH 155AI distance=27' 21573+3732  ABH 155AJ distance=27' 21581+3650  TDT3263 distance=39' 21559+3752  ES 2524 distance=39' 21517+3716  COU1641 distance=43' 21520+3722  CRB 144 distance=45' 21541+3633  KPP1393 distance=46' 21584+3643  LDS4930 distance=46' 21520+3653  J  3149AB distance=49' 21520+3653  TDT3202AC distance=49' 21588+3745  ES 2527 distance=51' 21514+3730  SEI1540 distance=54' 21589+3755  A  1450 distance=57' 21512+3741  TDT3193 distance=60' 21547+3814  TOK 638AB distance=62' 21579+3616  COU1338 distance=64' 21539+3610  ES 2068 distance=72' 21502+3750  ES 1996 distance=74' 21522+3817  TDT3205 distance=76' 22009+3755  TDT3291 distance=76' 21570+3600  TDT3254 distance=76' 22020+3727  A  1452 distance=77' 21507+3621  COU1640AB distance=80' 21507+3621  GII 295Aa,Ab distance=80' 22023+3659  HO  177 distance=81' 21501+3623  GRV 513 distance=84' 21520+3826  HDS3114 distance=84' 22027+3707  J  3157 distance=85' 21512+3607  KPP4250AB distance=86' 21592+3559  TDT3276 distance=87' 21536+3551  OSO 159AB distance=87' 21536+3551  OSO 159AC distance=87' grafico limitrofi
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

Show name coord_2000 discov# comp pa sep dist(')
Show 21558+3716 HO 174 CD 262 6.0
Show 21558+3716 HO 174 AB 335 7.6 3
Show 21558+3716 HO 174 AC 226 160.4 3
Show 21558+3716 HO 174 BC 224 163.0 3
Show 21560+3712 SCH 1 290 90.6 5
Show 21557+3708 ES 2523 32 4.7 8
Show 21564+3725 ES 2525 110 8.4 14
Show 21565+3701 ES 2069 AB 106 4.9 18
Show 21565+3701 ES 2069 AC 214 6.5 18
Show 21573+3732 ES 2526 BC 183 5.8 26
Show 21569+3735 BKO 905 AB 316 6.3 26
Show 21569+3735 BKO 905 AC 36 6.8 26
Show 21569+3735 BKO 905 AD 33 17.8 26
Show 21573+3732 ES 2526 AB 269 17.9 27
Show 21573+3732 ABH 155 AD 259 99.1 27
Show 21573+3732 ABH 155 AE 307 93.5 27
Show 21573+3732 ABH 155 AF 359 46.4 27
Show 21573+3732 ABH 155 AG 22 50.2 27
Show 21573+3732 ABH 155 AH 65 105.4 27
Show 21573+3732 ABH 155 AI 146 63.7 27
Show 21573+3732 ABH 155 AJ 161 35.4 27
Show 21581+3650 TDT3263 164 0.8 39
Show 21559+3752 ES 2524 277 6.2 39
Show 21517+3716 COU1641 309 2.1 43
Show 21520+3722 CRB 144 109 12.2 45
Show 21541+3633 KPP1393 139 10.4 46
Show 21584+3643 LDS4930 163 33.7 46
Show 21520+3653 J 3149 AB 93 5.0 49
Show 21520+3653 TDT3202 AC 210 0.6 49
Show 21588+3745 ES 2527 322 8.2 51
Show 21514+3730 SEI1540 207 23.6 54
Show 21589+3755 A 1450 190 4.1 57
Show 21512+3741 TDT3193 212 1.2 60
Show 21547+3814 TOK 638 AB 65 999.9 62
Show 21579+3616 COU1338 111 1.2 64
Show 21539+3610 ES 2068 343 2.5 72
Show 21502+3750 ES 1996 337 2.3 74
Show 21522+3817 TDT3205 142 0.5 76
Show 22009+3755 TDT3291 163 0.5 76
Show 21570+3600 TDT3254 243 0.5 76
Show 22020+3727 A 1452 289 1.9 77
Show 21507+3621 COU1640 AB 19 2.6 80
Show 21507+3621 GII 295 Aa,Ab 51 0.1 80
Show 22023+3659 HO 177 111 8.4 81
Show 21501+3623 GRV 513 204 11.5 84
Show 21520+3826 HDS3114 119 0.1 84
Show 22027+3707 J 3157 108 4.1 85
Show 21512+3607 KPP4250 AB 262 43.3 86
Show 21592+3559 TDT3276 124 0.4 87
Show 21536+3551 OSO 159 AB 38 14.2 87
Show 21536+3551 OSO 159 AC 197 21.4 87

 
 
WDS 21558+3716 : COMPONENTS
 
 
  A B C
B pa=335.0°
sep=7.62"
 
C pa=226.5°
sep=160.66"
pa=224.0°
sep=163.23"
 
D pa=227.4°
sep=164.69"
pa=224.9°
sep=167.14"
pa=259.7°
sep=4.79"
 
 
21558+3716 A
 
 
Coord arcsec 2000 215548.33+371554.1 Mag 10.38 Spectral class A9 (white) PmRA -11.00
PmDE -16.0 Tycho2 2731-00181-1
Tycho2
Tycho2 2731-00181-1 Pflag RAmdeg 328.95139161 DEmdeg 37.26503821
PmRA -11.3 PmDE -11.6 E RAmdeg 22 E DEmdeg 21
E pmRA 2.1 E pmDE 2.0 EpRAm 1989.56 EpDEm 1989.69
Num 6 Q RAmdeg 1.0 Q DEmdeg 0.8 Q pmRA 1.0
Q pmDE 0.8 BTmag 10.780 E BTmag 0.035 VTmag 10.379
E VTmag 0.034 Prox 76 TYC T HIP
CCDM RAdeg 328.95142472 DEdeg 37.26506528 EpRA 1990 1.57
EpDE 1990 1.67 E RAdeg 21.8 E DEdeg 20.6 Posflg
Corr 0.0
 
 
21558+3716 B
 
 
Coord arcsec 2000 215548.06+371601.0 Coord calc 215548.06+371601.0 Mag 10.75 Spectral class F2 (yellow-white)
PmRA -11.00 PmDE -13.0 Tycho2 2731-00181-2 Calc delta mag 0.37
Tycho2
Tycho2 2731-00181-2 Pflag RAmdeg 328.95021320 DEmdeg 37.26694853
PmRA -17.9 PmDE -12.5 E RAmdeg 29 E DEmdeg 28
E pmRA 3.4 E pmDE 3.2 EpRAm 1990.31 EpDEm 1990.34
Num 3 Q RAmdeg 1.4 Q DEmdeg 1.7 Q pmRA 1.4
Q pmDE 1.7 BTmag 11.155 E BTmag 0.045 VTmag 10.751
E VTmag 0.048 Prox 76 TYC T HIP
CCDM RAdeg 328.95026583 DEdeg 37.26697750 EpRA 1990 1.58
EpDE 1990 1.66 E RAdeg 29.1 E DEdeg 27.9 Posflg
Corr 0.0
 
 
21558+3716 C
 
 
Coord arcsec 2000 215538.57+371403.5 Coord calc 215538.57+371403.5 Mag 11.5 PmRA 20.00
PmDE -4.0 Calc delta mag 1.12
 
 
21558+3716 D
 
 
Coord arcsec 2000 215538.18+371402.6 Mag 11.9 PmRA -26.00 PmDE -10.0
Tycho2 2731-00737-1 Calc delta mag 1.52 Calc coord yes
Tycho2
Tycho2 2731-00737-1 Pflag RAmdeg 328.91073704 DEmdeg 37.23431021
PmRA -6.3 PmDE -7.5 E RAmdeg 95 E DEmdeg 88
E pmRA 4.6 E pmDE 4.2 EpRAm 1983.00 EpDEm 1983.08
Num 3 Q RAmdeg 1.7 Q DEmdeg 1.0 Q pmRA 1.7
Q pmDE 1.0 BTmag 13.254 E BTmag 0.280 VTmag 12.325
E VTmag 0.179 Prox 999 TYC HIP
CCDM RAdeg 328.91075500 DEdeg 37.23432722 EpRA 1990 1.58
EpDE 1990 1.71 E RAdeg 103.0 E DEdeg 95.4 Posflg
Corr 0.1