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Doubles in session


Current system
21099+3100
HJ 1616 AB


Nearby doubles
13' : 21088+3102
ES 375

28' : 21080+3116
LDS2940

31' : 21093+3131
COU1333

34' : 21079+3123
GRV 421

34' : 21117+3038
J 1235

35' : 21103+3027
TDT2801

35' : 21101+3027
KPP4225

36' : 21073+3048
TDT2766

36' : 21115+3033
ALD 5

39' : 21086+3135
J 2337

39' : 21092+3023
CBL 90

40' : 21074+3038
TDT2767

43' : 21098+3143
ES 2440

45' : 21133+3100
BRT 286

48' : 21077+3022
UC 256

50' : 21102+3151
SEI1423

52' : 21086+3012
STF2762AB

54' : 21064+3031
TDT2751

56' : 21142+3058
COU 834

58' : 21056+3043
TDT2737

60' : 21077+3009
KPP1031

61' : 21145+3052
TDT2850

62' : 21129+3014
BUP 227AB

63' : 21086+3201
KPP 830

66' : 21052+3127
GRV 412

67' : 21047+3109
DAM 226



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.

21099+3100 HJ 1616 AB

 
 
21h 09m 51.04s +31° 00' 56.9" P.A. 315.00 sep 10.3 mag 10.60,11.30
 
 
Coord 2000 21099+3100 Discov num HJ 1616 Comp AB Coord arcsec 2000 21 09 51.04 +31 00 56.9
Date first 1900 Date last 2015 Obs 12
Pa first 295 Pa last 314.7 P.A. Now (θ) 314.7°
Sep first 9.1 Sep last 10.29 Sep. Now (ρ) 10.29"
Mag pri 10.60 Mag sec 11.30 delta mag (ΔM) 0.7 Spectral class
Pri motion ra -011 Sec motion ra +000
Pri motion dec -028 Sec motion dec +006
Notes L (Linear solution)
rPM=1.188
This double is not physical.
 
 
21099+3100 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21 09 51 +31 00 57 HJ 1616 AB 2015 12 315 10.3 10.60 11.30 0.70 <===
Show 21 09 51 +31 00 57 GRV 431 AC 2015 13 16 22.5 10.60 12.10 1.50
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2702-01954-1 Gaia DR2 1852773716689000448 ADS 14701
 
 
WDS 21099+3100 HJ 1616 AB : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Grv2004 Eu - Greaves, J. 2004MNRAS.355..585G
Grv2004 MNRAS 355, 585, 2004
Grv2005a Es - Greaves, J. ...................
Grv2005a +C Webb Soc., Double Star Circ. 13, 2005 (GRV 973 - 1147)
Grv2005a (Note: RA for all WDS designations inadvertently truncated to integer minute)
Grv2005b Pa - Greaves, J. ...................
Grv2005b private communication
Grv2005c C - Greaves, J. 2005JDSO....1...41G
Grv2005c JDSO 1, 41, 2005
Grv2006 - Greaves, J. ...................
Grv2006 private communication, 2006
Grv2006 (measures done using LSPM-north, see Vizier On-line Data Catalog I/298;
Grv2006 Lepine & Shara 2005)
Grv2006b Es - Greaves, J. ...................
Grv2006b private Communication, 2006
Grv2006b (Reduction of SDSS data. Calculated position is to J2000, but actual observation
Grv2006b epoch is unknown and proper motion may or may not have been applied.)
Grv2006c Ey - Greaves, J. ...................
Grv2006c private Communication, 2006
Grv2006c (Reduction of SPM3.3 data. Calculated position is to 1991.25, but actual
Grv2006c observation epoch is unknown and proper motion may or may not have been applied.)
Grv2008 Es - Greaves, J. ...................
Grv2008 Webb Soc., Double Star Circ. 16, 2008
Grv2011 C - Greaves, J. ...................
Grv2011 Webb Soc., Double Star Circ. 19, 2011
Grv2011 These carry a discovery designation of SPM and come from the SPM4 Catalog 2011AJ....142...15G
Grv2019a Hg u Greaves, J. 2019JDSO...15...59G
Grv2019a JDSO 15, 59, 2019
Grv2019b Hg u Greaves, J. 2019JDSO...15...77G
Grv2019b JDSO 15, 59, 2019
Grv2019c Hg u Greaves, J. ...................
Grv2019c private communication, 2019 (17 April 2019 email)
Grv2019d Hg - Greaves, J. .
Grv2019d private communication, 2019 (4 Nov 2019 email)
Grv2020a not - Greaves, J. .
Grv2020a private communication, 2020 (14 Mar 2020 email)
Grv2020b Hg j Greaves, J. .
Grv2020b Webb Soc., Double Star Circ. 28, 23, 2020
Grv2020c Hg j Greaves, J. .
Grv2020c Webb Soc., Double Star Circ. 28, 35, 2020
Grv2020d Hg j Greaves, J. .
Grv2020d Webb Soc., Double Star Circ. 28, 39, 2020
Grv2020e Hg u Greaves, J. 2020JDSO...16..317G
Grv2020e JDSO 16, 317, 2020
Grv2020f Hg Greaves, J. 2020JDSO...16..362G
Grv2020f JDSO 16, 362, 2020
Grv2020g Hg - Greaves, J. .
Grv2020g private communication, 2020 (29 Nov 2020 email)
Grv2020h Hg - Greaves, J. .
Grv2020h private communication, 2020 (10 Dec 2020 email)
Grv2020i Hg - Greaves, J. .
Grv2020i private communication, 2020 (12 Dec 2020 email)
Grv2020j Hg - Greaves, J. .
Grv2020j private communication, 2020 (21 Dec 2020 email)
Grv2021a not - Greaves, J. .
Grv2021a private communication, 2021 (18 Feb 2021 email)
Grv2021b not - Greaves, J. .
Grv2021b private communication, 2021 (23 Feb 2021 email)
Grv2021c Hg+ - Greaves, J., Rica Romero, F.M. & Otero, S. 2021JDSO...17..137G
Grv2021c +orb JDSO 17, 137, 2021
Grv2021d Hg - Greaves, J. .
Grv2021d private communication, 2021 (23 Aug 2021 email)
Grv2021e Hg - Greaves, J. .
Grv2021e private communication, 2021 (24 Aug 2021 email)
Grv2022 Hg j Greaves, J. .
Grv2022 Webb Soc., Double Star Circ. 30, 27, 2022
Grv2023a Hg - Greaves, J. .
Grv2023a private communication, 2023 (15 Feb 2023 email)
HJ_1826 Mb - Herschel, J.F.W. 1826MmRAS...2..459H
HJ_1826 MemRAS 2, 459, 1826
HJ_1829a Mb - Herschel, J.F.W. 1829MmRAS...3...47H
HJ_1829a MemRAS 3, 47, 1829
HJ_1829b Mb - Herschel, J.F.W. 1829MmRAS...3..177H
HJ_1829b MemRAS 3, 177, 1829
HJ_1831 Ma - Herschel, J.F.W. 1831MmRAS...4..331H
HJ_1831 +Mb MemRAS 4, part 2, 331, 1831
HJ_1833a Ma - Herschel, J.F.W. 1833MmRAS...5...13H
HJ_1833a +Mb MemRAS 5, 13, 1833
HJ_1833b orb - Herschel, J.F.W. 1833MmRAS...5..171H
HJ_1833b MemRAS 5, 171, 1833
HJ_1833c Mb - Herschel, J.F.W. 1833MmRAS...6....1H
HJ_1833c MemRAS 6, 1, 1833
HJ_1833d orb - Herschel, J.F.W. 1833MmRAS...6..149H
HJ_1833d MemRAS 6, 149, 1833
HJ_1835 Ma - Herschel, J.F.W. 1835MmRAS...8...37H
HJ_1835 +Mb MemRAS 8, 37, 1835
HJ_1836 Mb - Herschel, J.F.W. 1836MmRAS...9..193H
HJ_1836 MemRAS 9, 193, 1836
HJ_1847a Ma j Herschel, J.F.W. .
HJ_1847a +Mb Cape Results, London, 1847 (Cape of Good Hope Astronomical Observations 1834-1838)
HJ_1847b Ma j Herschel, J.F.W. .
HJ_1847b Cape Results, London, 1847
HJ_1850 orb - Herschel, J.F.W. 1850MmRAS..18...47H
HJ_1850 MemRAS 18, 47, 1850
HJ_1870 Mb - Herschel, J.F.W. 1870MmRAS..38....1H
HJ_1870 MemRAS 38, 1, 1870
HJ_1874A - Herschel, J.F.W. 1874MNRAS..35...28B
HJ_1874A cited by Burnham (MNRAS 35, 28, 1874)
HJ_1875A Ma - Herschel, J.F.W. 1875AN.....85..323D
HJ_1875A +Mb cited by Doberck, 1875 (see Dob1875b,f,g,h)
HJ_1880A Ma - Herschel, J.F.W. 1880Obs.....3..508G
HJ_1880A +Mb cited by Gledhill (Obs 3, 508, 1880)
HJ_1880B Mb - Herschel, J.F.W. 1880MNRAS..40..497B
HJ_1880B cited by Burnham (MNRAS 40, 497, 1880)
HJ_1897A Ma j Herschel, J.F.W. 1897MNRAS..57..541S
HJ_1897A cited by See (MNRAS 57, 541, 1897)
HJ_1905A Ma - Herschel, J.F.W. 1905LicOB...3..147A
HJ_1905A +Mb cited by Aitken (Lick Obs. Bull. 3, 147, 1905)
HJ_1906A Ma - Herschel, J.F.W. 1906MmRAS..56....1L
HJ_1906A +Mb cited by Lewis (MemRAS 56, 1, 1906)
HJ_1906B Ma - Herschel, J.F.W. 1906QB821.B972.....
HJ_1906B +Mb cited in BDS (Burnham Double Star Cat.), 1906
HJ_1927A Mb - Herschel, J.F.W. 1927sdsc.book......
HJ_1927A cited in SDS (Southern Double Star Catalog), 1927
HJ_1932A Mb - Herschel, J.F.W. 1932QB821.A43......
HJ_1932A cited in ADS (Aitken Double Star Cat.), 1932
HJ_9999 M j Herschel, J.F.W. ...................
HJ_9999 +Ma Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21099+3100 HJ 1616 AB 1909 4 279 7.6 11.00 11.70 210951.04+310056.9
21099+3100 HJ 1616 AB 2008 5 313 10.1 11.00 11.70 210951.04+310056.9
21099+3100 HJ 1616 AB 2013 10 315 10.3 10.60 11.30 210951.04+310056.9
21099+3100 HJ 1616 AB 2015 11 315 10.3 10.60 11.30 210951.04+310056.9

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

 
 
WDS 21099+3100 HJ 1616 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21099+3100 HJ 1616 AB : MEASURES
 
 
No records found.

 
 
WDS 21099+3100 : VIRTUAL EYEPIECE
 
 

21099+3100 HJ 1616A mag 10.6 21099+3100 HJ 1616B sep 9.6 P.A. 319.10 mag 11.3 21099+3100 GRV 431C sep 22.3 P.A. 13.50 mag 12.1 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 21099+3100 : ALADIN DSS IMAGE @ 21h 09m 51.04s +31° 00' 56.9"
 
 
 
 
WDS 21099+3100 HJ 1616 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21099+3100 HJ 1616AB distance=0' 21088+3102 ES 375 distance=13' 21080+3116 LDS2940 distance=28' 21093+3131 COU1333 distance=31' 21079+3123 GRV 421 distance=34' 21117+3038 J 1235 distance=34' 21103+3027 TDT2801 distance=35' 21101+3027 KPP4225 distance=35' 21073+3048 TDT2766 distance=36' 21115+3033 ALD 5 distance=36' 21086+3135 J 2337 distance=39' 21092+3023 CBL 90 distance=39' 21074+3038 TDT2767 distance=40' 21098+3143 ES 2440 distance=43' 21133+3100 BRT 286 distance=45' 21077+3022 UC 256 distance=48' 21102+3151 SEI1423 distance=50' 21086+3012 STF2762AB distance=52' 21086+3012 STF2762AC distance=52' 21086+3012 STF2762AD distance=52' 21064+3031 TDT2751 distance=54' 21142+3058 COU 834 distance=56' 21056+3043 TDT2737 distance=58' 21077+3009 KPP1031 distance=60' 21145+3052 TDT2850 distance=61' 21129+3014 BAS 7Aa,Ab distance=62' 21129+3014 BUP 227AB distance=62' 21129+3014 BUP 227AC distance=62' 21129+3014 BUP 227AD distance=62' 21129+3014 FYM 141AE distance=62' 21129+3014 FYM 141AF distance=62' 21129+3014 FYM 141AG distance=62' 21086+3201 KPP 830 distance=63' 21052+3127 GRV 412 distance=66' 21047+3109 DAM 226 distance=67' 21149+3037 BRT 287 distance=68' 21050+3109 J 3124 distance=68' 21046+3116 J 2336 distance=70' 21070+3001 J 1319 distance=70' 21153+3051 GRV 439 distance=72' 21155+3114 TDT2862 distance=75' 21118+3211 SEI1438 distance=75' 21132+3202 J 3127AB distance=75' 21132+3202 J 3127AC distance=75' 21112+3214 SEI1433 distance=75' 21104+3215 SEI1425AB distance=75' 21104+3215 TOB 212AC distance=75' 21155+3042 KPP 488 distance=76' 21078+3214 TDT2773 distance=79' 21128+3210 TDT2827 distance=79' 21037+3104 STT 427 distance=80' 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 21099+3100 HJ 1616 AB 315 10.3
Show 21099+3100 GRV 431 AC 16 22.5
Show 21088+3102 ES 375 42 4.5 13
Show 21080+3116 LDS2940 222 7.6 28
Show 21093+3131 COU1333 258 0.6 31
Show 21079+3123 GRV 421 185 14.6 34
Show 21117+3038 J 1235 184 2.8 34
Show 21103+3027 TDT2801 237 0.9 35
Show 21101+3027 KPP4225 236 2.2 35
Show 21073+3048 TDT2766 193 1.9 36
Show 21115+3033 ALD 5 153 3.7 36
Show 21086+3135 J 2337 349 6.2 39
Show 21092+3023 CBL 90 113 54.5 39
Show 21074+3038 TDT2767 173 10.5 40
Show 21098+3143 ES 2440 202 5.0 43
Show 21133+3100 BRT 286 250 6.6 45
Show 21077+3022 UC 256 67 48.1 48
Show 21102+3151 SEI1423 226 13.5 50
Show 21086+3012 STF2762 AB 303 3.3 52
Show 21086+3012 STF2762 AC 229 59.3 52
Show 21086+3012 STF2762 AD 66 73.1 52
Show 21064+3031 TDT2751 148 2.4 54
Show 21142+3058 COU 834 77 7.9 56
Show 21056+3043 TDT2737 322 6.3 58
Show 21077+3009 KPP1031 334 8.3 60
Show 21145+3052 TDT2850 173 2.7 61
Show 21129+3014 BAS 7 Aa,Ab 246 0.0 62
Show 21129+3014 BUP 227 AB 205 65.2 62
Show 21129+3014 BUP 227 AC 300 91.5 62
Show 21129+3014 BUP 227 AD 63 105.3 62
Show 21129+3014 FYM 141 AE 76 42.8 62
Show 21129+3014 FYM 141 AF 267 63.6 62
Show 21129+3014 FYM 141 AG 97 70.7 62
Show 21086+3201 KPP 830 310 7.1 63
Show 21052+3127 GRV 412 265 42.4 66
Show 21047+3109 DAM 226 16 4.3 67
Show 21149+3037 BRT 287 197 6.2 68
Show 21050+3109 J 3124 208 4.5 68
Show 21046+3116 J 2336 40 9.1 70
Show 21070+3001 J 1319 206 1.7 70
Show 21153+3051 GRV 439 127 21.5 72
Show 21155+3114 TDT2862 305 0.5 75
Show 21118+3211 SEI1438 93 22.5 75
Show 21132+3202 J 3127 AB 159 1.6 75
Show 21132+3202 J 3127 AC 194 12.3 75
Show 21112+3214 SEI1433 297 9.6 75
Show 21104+3215 SEI1425 AB 34 21.4 75
Show 21104+3215 TOB 212 AC 79 24.2 75
Show 21155+3042 KPP 488 119 3.6 76
Show 21078+3214 TDT2773 212 3.3 79
Show 21128+3210 TDT2827 297 2.5 79

 
 
WDS 21099+3100 : COMPONENTS
 
 
  A B
B pa=319.1°
sep=9.57"
 
C pa=13.5°
sep=22.28"
pa=38.4°
sep=18.43"
 
 
21099+3100 A
 
 
Coord arcsec 2000 210951.04+310056.9 Mag 10.6 PmRA -11.00 PmDE -28.0
Tycho2 2702-01954-1 ADS 14701 DM BD+30 4338
Tycho2
Tycho2 2702-01954-1 Pflag RAmdeg 317.46264231 DEmdeg 31.01580545
PmRA -10.8 PmDE -27.3 E RAmdeg 24 E DEmdeg 23
E pmRA 2.3 E pmDE 2.2 EpRAm 1990.18 EpDEm 1990.37
Num 3 Q RAmdeg 0.8 Q DEmdeg 1.2 Q pmRA 0.8
Q pmDE 1.2 BTmag 11.034 E BTmag 0.040 VTmag 10.539
E VTmag 0.035 Prox 999 TYC T HIP
CCDM RAdeg 317.46267222 DEdeg 31.01586944 EpRA 1990 1.44
EpDE 1990 1.59 E RAdeg 24.3 E DEdeg 22.6 Posflg
Corr 0.1
 
 
21099+3100 B
 
 
Coord arcsec 2000 210950.55+310104.1 Mag 11.3 PmRA 0.00 PmDE 6.0
Calc delta mag 0.7 Calc coord yes
 
 
21099+3100 C
 
 
Coord arcsec 2000 210951.44+310118.6 Mag 12.1 PmRA -12.00 PmDE -28.0
Calc delta mag 1.5 Calc coord yes