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Doubles in session


Current system
12186+2148
GRV 854


Nearby doubles
23' : 12174+2203
AZC 73

42' : 12207+2118
LDS4203

44' : 12215+2130
KU 103

48' : 12203+2106
UC 2318

58' : 12171+2241
COU 179

68' : 12138+2143
HU 569

73' : 12207+2255
STF1634

76' : 12137+2118
HU 570

78' : 12130+2146
JNN 277

80' : 12239+2219
UC 2329

80' : 12136+2112
UC 2296

85' : 12232+2244
CVR1425

90' : 12237+2244
SKF1476

93' : 12137+2252
TDS8277

101' : 12121+2232
SKF2012

104' : 12135+2303
WSP 56

109' : 12197+2001
LDS1292

114' : 12235+2017
LSC 144

114' : 12113+2238
BRT2414

114' : 12231+2324
POU3123

116' : 12258+2247
SHN 157

119' : 12271+2203
SLW 723

120' : 12236+2326
STF1637

120' : 12179+2347
AZC 74

120' : 12165+1953
CVR1421

122' : 12216+1955
LDS1297



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.

12186+2148 GRV 854

 
 
12h 18m 38.41s +21° 48' 15.9" P.A. 49.00 sep 72.1 mag 11.12,12.72
 
 
Coord 2000 12186+2148 Discov num GRV 854 Comp Coord arcsec 2000 12 18 38.41 +21 48 15.9
Date first 1892 Date last 2015 Obs 9
Pa first 49 Pa last 48.8 P.A. Now (θ) 48.8°
Sep first 71.9 Sep last 72.148 Sep. Now (ρ) 72.148"
Mag pri 11.12 Mag sec 12.72 delta mag (ΔM) 1.6 Spectral class
Pri motion ra +016 Sec motion ra +016
Pri motion dec -015 Sec motion dec -015
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Coma Berenices Tycho2 1447-01181-1 Gaia DR2 3953247916835879808
 
 
WDS 12186+2148 GRV 854 : 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)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12186+2148 GRV 854 2000 3 49 72.1 10.90 12.40 D 121838.41+214815.9
12186+2148 GRV 854 2001 4 49 72.1 10.90 12.40 D 121838.41+214815.9
12186+2148 GRV 854 2010 4 49 72.2 11.12 12.72 121838.41+214815.9
12186+2148 GRV 854 2015 5 49 72.1 11.12 12.72 121838.41+214815.9

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

 
 
WDS 12186+2148 GRV 854 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 12186+2148 GRV 854 : MEASURES
 
 
No records found.

 
 
WDS 12186+2148 : VIRTUAL EYEPIECE
 
 

12186+2148 GRV 854A mag 11.12 12186+2148 GRV 854B sep 69.3 P.A. 46.70 mag 12.72 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 12186+2148 : ALADIN DSS IMAGE @ 12h 18m 38.41s +21° 48' 15.9"
 
 
 
 
WDS 12186+2148 GRV 854 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

12186+2148 GRV 854 distance=0' 12174+2203 AZC 73 distance=23' 12207+2118 LDS4203 distance=42' 12215+2130 KU 103 distance=44' 12203+2106 UC 2318 distance=48' 12171+2241 COU 179 distance=58' 12138+2143 HU 569 distance=68' 12207+2255 STF1634 distance=73' 12137+2118 HU 570 distance=76' 12130+2146 JNN 277 distance=78' 12239+2219 UC 2329 distance=80' 12136+2112 UC 2296 distance=80' 12232+2244 CVR1425 distance=85' 12237+2244 SKF1476 distance=90' 12137+2252 TDS8277 distance=93' 12121+2232 SKF2012 distance=101' 12135+2303 WSP 56 distance=104' 12197+2001 LDS1292 distance=109' 12235+2017 LSC 144 distance=114' 12113+2238 BRT2414 distance=114' 12231+2324 POU3123 distance=114' 12258+2247 SHN 157 distance=116' 12271+2203 SLW 723 distance=119' 12236+2326 STF1637 distance=120' 12179+2347 AZC 74 distance=120' 12165+1953 CVR1421 distance=120' 12216+1955 LDS1297 distance=122' 12111+2257 COU 94 distance=126' 12145+2340 SKF1473 distance=126' 12119+2024 HJ 2601 distance=127' 12266+2256 POU3125 distance=130' 12276+2111 SLW 725 distance=130' 12280+2158 COU 53 distance=131' 12114+2313 SKF 986 distance=132' 12149+1947 COU 178 distance=132' 12089+2147 HDS1714Aa,Ab distance=136' 12089+2147 LDS 930AB distance=136' 12123+2334 DVG 38 distance=138' 12282+2117 LDS4212 distance=138' 12244+2343 POU3124 distance=140' 12280+2241 POU3127 distance=141' 12193+1924 HJ 2607 distance=145' 12126+2347 CBL 377 distance=146' 12281+2309 LEP 55 distance=154' 12176+2425 CVR1423 distance=157' 12118+2400 LDS6258AB distance=163' 12118+2400 LDS5749AC distance=163' 12301+2223 COU2707 distance=163' 12303+2157 HJL1069 distance=163' 12204+1857 LDS1293 distance=170' 12128+2418 POU3121 distance=170' 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 12186+2148 GRV 854 49 72.1
Show 12174+2203 AZC 73 17 16.7 23
Show 12207+2118 LDS4203 88 227.8 42
Show 12215+2130 KU 103 339 23.5 44
Show 12203+2106 UC 2318 123 26.1 48
Show 12171+2241 COU 179 6 0.6 58
Show 12138+2143 HU 569 162 1.2 68
Show 12207+2255 STF1634 148 5.3 73
Show 12137+2118 HU 570 103 3.0 76
Show 12130+2146 JNN 277 255 0.6 78
Show 12239+2219 UC 2329 203 53.7 80
Show 12136+2112 UC 2296 335 8.9 80
Show 12232+2244 CVR1425 134 3.9 85
Show 12237+2244 SKF1476 166 1.6 90
Show 12137+2252 TDS8277 245 0.5 93
Show 12121+2232 SKF2012 192 63.3 101
Show 12135+2303 WSP 56 113 3.4 104
Show 12197+2001 LDS1292 58 2.2 109
Show 12235+2017 LSC 144 238 0.1 114
Show 12113+2238 BRT2414 24 3.7 114
Show 12231+2324 POU3123 343 17.4 114
Show 12258+2247 SHN 157 -1 0.3 116
Show 12271+2203 SLW 723 57 9.3 119
Show 12236+2326 STF1637 143 120.5 120
Show 12179+2347 AZC 74 48 49.6 120
Show 12165+1953 CVR1421 156 3.8 120
Show 12216+1955 LDS1297 203 4.6 122
Show 12111+2257 COU 94 339 1.3 126
Show 12145+2340 SKF1473 330 84.0 126
Show 12119+2024 HJ 2601 67 26.7 127
Show 12266+2256 POU3125 333 9.5 130
Show 12276+2111 SLW 725 182 10.9 130
Show 12280+2158 COU 53 216 2.5 131
Show 12114+2313 SKF 986 258 19.5 132
Show 12149+1947 COU 178 319 1.2 132
Show 12089+2147 HDS1714 Aa,Ab 204 0.1 136
Show 12089+2147 LDS 930 AB 39 15.5 136
Show 12123+2334 DVG 38 170 9.0 138
Show 12282+2117 LDS4212 317 20.2 138
Show 12244+2343 POU3124 293 14.4 140
Show 12280+2241 POU3127 152 7.4 141
Show 12193+1924 HJ 2607 253 16.6 145
Show 12126+2347 CBL 377 173 27.8 146
Show 12281+2309 LEP 55 233 54.4 154
Show 12176+2425 CVR1423 5 3.9 157
Show 12118+2400 LDS6258 AB 261 6.6 163
Show 12118+2400 LDS5749 AC 306 5.1 163
Show 12301+2223 COU2707 341 14.4 163
Show 12303+2157 HJL1069 312 115.4 163
Show 12204+1857 LDS1293 216 122.8 170
Show 12128+2418 POU3121 227 5.4 170

 
 
WDS 12186+2148 : COMPONENTS
 
 
  A
B pa=46.7°
sep=69.27"
 
 
12186+2148 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 121838.41+214815.9 Mag 11.12 PmRA 16.00
PmDE -15.0 Tycho2 1447-01181-1
Tycho2
Tycho2 1447-01181-1 Pflag RAmdeg 184.66002935 DEmdeg 21.80441979
PmRA 13.6 PmDE -16.5 E RAmdeg 41 E DEmdeg 48
E pmRA 1.5 E pmDE 1.5 EpRAm 1983.02 EpDEm 1979.77
Num 3 Q RAmdeg 1.2 Q DEmdeg 0.2 Q pmRA 1.2
Q pmDE 0.2 BTmag 11.687 E BTmag 0.079 VTmag 10.960
E VTmag 0.067 Prox 999 TYC T HIP
CCDM RAdeg 184.65999528 DEdeg 21.80445861 EpRA 1990 1.70
EpDE 1990 1.55 E RAdeg 42.6 E DEdeg 51.0 Posflg
Corr 0.1
 
 
12186+2148 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 121842.03+214903.4 Mag 12.72 PmRA 16.00
PmDE -15.0 Calc delta mag 1.6 Calc coord yes