12175+2856 STT 245 (HD 106887)

 
 
12h 17m 30.60s +28° 56' 13.6" P.A. 282.00 sep 8.4 mag 5.70,11.20 Sp A3IV dist. 54.95 pc (179.25 l.y.)
 
 
Coord 2000 12175+2856 Discov num STT 245 Comp Coord arcsec 2000 12 17 30.60 +28 56 13.6
Date first 1843 Date last 2016 Obs 27
Pa first 278 Pa last 282 P.A. Now (θ) 282°
Sep first 7.4 Sep last 8.389 Sep. Now (ρ) 8.389"
Mag pri 5.70 Mag sec 11.20 delta mag (ΔM) 5.5 Spectral class A3IV (white)
Pri motion ra -034 Sec motion ra
Pri motion dec +031 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 106887 Constellation Coma Berenices SAO 82219 HIP 59923
Tycho2 1991-01894-1 Gaia DR2 4013281045554253696 HD 106887 HR 4673
GC 16766 ADS 8501 BD BD+29 2275 Distance 54.95
Distance ly 179.25
 
 
WDS 12175+2856 STT 245 (HD 106887) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
STTA (O. Struve DD - Appendix list) ...................
Stt1864 Ma - Struve, O. 1864MNRAS..24..149S
Stt1864 MNRAS 24, 149, 1864
Stt1866 orb - Struve, O. .
Stt1866 Bull. Imp. Acad. Sci. St. Petersburg, 1866
Stt1874 orb - Struve, O. .
Stt1874 Compte Rendus 79, 1467, 1874
Stt1875 orb - Struve, O. 1875MNRAS..35..367S
Stt1875 MNRAS 35, 367, 1875
Stt1878 Ma - Struve, O. 1878ObPul...9....1S
Stt1878 Pulkova Observations 9, 1, 1878
Stt1879A Ma - Struve, O. 1879Obs.....2..304G
Stt1879A cited by Gledhill (Obs 2, 304, 1879)
Stt1879B Ma - Struve, O. 1879Obs.....3..245G
Stt1879B cited by Gledhill (Obs 3, 245, 1879)
Stt1879C Ma - Struve, O. 1879Obs.....2..344G
Stt1879C cited by Gledhill (Obs 2, 344, 1879)
Stt1880A Ma - Struve, O. 1880Obs.....2..605H
Stt1880A cited by Hunt (Obs. 3, 605, 1880)
Stt1880B Ma - Struve, O. 1880Obs.....3..535G
Stt1880B cited by Gledhill (Obs 3, 535, 1880)
Stt1880C Ma - Struve, O. 1880MNRAS..40..497B
Stt1880C cited by Burnham (MNRAS 40, 497, 1880)
Stt1884A Ma - Struve, O. 1884AReg...22..216S
Stt1884A cited by Sadler (Astr. Register 22, 216, 1884)
Stt1893a Ma j Struve, O. 1893ObPul..10....1S
Stt1893a Pulkova Obs. Observations 10, 1, 1893
Stt1906A Ma - Struve, O. 1906MmRAS..56....1L
Stt1906A cited by Lewis (MemRAS 56, 1, 1906)
Stt1906B Ma j Struve, O. 1906QB821.B972.....
Stt1906B cited in BDS (Burnham Double Star Cat., 1906)
Stt1908A Ma - Struve, O. 1908MNRAS..68..465B
Stt1908A cited by Barnard (MNRAS 68, 465, 1908)
Stt1913A Ma - Struve, O. 1913QB811.B8.......
Stt1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Stt1914A Ma - Struve, O. 1914AN....198..107R
Stt1914A cited by Rabe (AN 198, 107, 1914)
Stt1932A Ma - Struve, O. 1932QB821.A43......
Stt1932A cited in ADS (Aitken Double Star Cat., 1932)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12175+2856 STT 245 1999 19 281 8.3 5.70 10.20 A3IV D 121730.60+285613.6
12175+2856 STT 245 2009 20 281 8.3 5.70 10.20 A3IV D 121730.60+285613.6
12175+2856 STT 245 2015 22 282 8.4 5.70 10.70 A3IV 121730.60+285613.6
12175+2856 STT 245 2016 23 282 8.4 5.70 11.20 A3IV 121730.60+285613.6

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

 
 
WDS 12175+2856 STT 245 (HD 106887) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 12175+2856 STT 245 (HD 106887) : MEASURES
 
 
No records found.

 
 
WDS 12175+2856 (HD 106887) : VIRTUAL EYEPIECE
 
 

12175+2856 STT 245A mag 5.7 Sp A3IV 12175+2856 STT 245B sep 7.4 P.A. 283.70 mag 11.2 virtual eyepiece
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Radius:
Components only
 
 
WDS 12175+2856 (HD 106887) : ALADIN DSS IMAGE @ 12h 17m 30.60s +28° 56' 13.6"
 
 
 
 
WDS 12175+2856 STT 245 (HD 106887) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


12175+2856  STT 245 distance=0' 12169+2913  SKF1118 distance=19' 12183+2913  CVR 649 distance=21' 12183+2822  LDS1289 distance=37' 12208+2906  SKF 494 distance=45' 12140+2858  GUR  34 distance=47' 12195+2809  LEP  53 distance=54' 12207+2939  SDK  54 distance=60' 12219+2833  LDS1300 distance=63' 12180+2751  CBL 378 distance=66' 12219+2909  HJ  518 distance=67' 12220+2928  RAO 656 distance=67' 12190+2751  TDS8321 distance=69' 12167+3004  AG  176 distance=69' 12197+3000  SKF2589 distance=71' 12225+2827  SKF1475 distance=73' 12120+2832  CHR 136Aa,Ab distance=77' 12120+2832  LDS1285AB distance=77' 12120+2832  RBR  41Aa,Ac distance=77' 12143+2752  KPP1326 distance=77' 12143+2749  HJL1067 distance=80' 12133+3013  SKF  65 distance=95' 12218+2738  LDS1299 distance=97' 12182+2718  HDS1733 distance=99' 12145+2725  LDS1286 distance=101' 12223+2737  RAO 276 distance=102' 12186+2715  LDS1290 distance=103' 12117+3011  KPP3251 distance=107' 12097+2818  CLZ  54 distance=110' 12258+2836  LEP 132 distance=111' 12090+2924  SKF1472 distance=115' 12215+3038  GIC 106 distance=115' 12207+2703  STF1633 distance=121' 12141+3049  NSN 626 distance=122' 12117+2724  LDS1283 distance=122' 12076+2902  SLW 685 distance=130' 12269+2816  SMR  58 distance=131' 12079+2808  LDS1277 distance=137' 12205+3109  SEI 531 distance=138' 12279+2931  SKF 489 distance=141' 12241+2706  SKF1014 distance=142' 12287+2836  LDS1312 distance=142' 12189+3119  LDS1291 distance=143' 12170+2634  LDS1287 distance=144' 12191+3118  DAM1444 distance=144' 12093+3031  SKF2585 distance=144' 12283+2828  LDS4213 distance=144' 12203+2637  PIN   6 distance=144' 12262+2728  LDS1307AB distance=146' 12262+2728  LDS1307Aa,Ab distance=146' 12201+3121  SEI 530 distance=148' grafico limitrofi
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Pass over with the mouse cursor to display the catalog designation.

Show name coord_2000 discov# comp pa sep dist(')
Show 12175+2856 STT 245 282 8.4
Show 12169+2913 SKF1118 200 8.8 19
Show 12183+2913 CVR 649 151 16.7 21
Show 12183+2822 LDS1289 181 117.5 37
Show 12208+2906 SKF 494 49 4.8 45
Show 12140+2858 GUR 34 132 0.5 47
Show 12195+2809 LEP 53 224 545.5 54
Show 12207+2939 SDK 54 316 13.6 60
Show 12219+2833 LDS1300 99 62.1 63
Show 12180+2751 CBL 378 331 37.0 66
Show 12219+2909 HJ 518 328 24.8 67
Show 12220+2928 RAO 656 22 0.2 67
Show 12190+2751 TDS8321 267 0.7 69
Show 12167+3004 AG 176 184 2.3 69
Show 12197+3000 SKF2589 182 6.3 71
Show 12225+2827 SKF1475 294 1.9 73
Show 12120+2832 CHR 136 Aa,Ab 176 0.2 77
Show 12120+2832 LDS1285 AB 165 143.5 77
Show 12120+2832 RBR 41 Aa,Ac 57 1.4 77
Show 12143+2752 KPP1326 347 10.0 77
Show 12143+2749 HJL1067 348 179.5 80
Show 12133+3013 SKF 65 177 7.6 95
Show 12218+2738 LDS1299 207 12.9 97
Show 12182+2718 HDS1733 222 0.3 99
Show 12145+2725 LDS1286 333 28.3 101
Show 12223+2737 RAO 276 281 2.0 102
Show 12186+2715 LDS1290 201 1.6 103
Show 12117+3011 KPP3251 152 2.3 107
Show 12097+2818 CLZ 54 194 13.5 110
Show 12258+2836 LEP 132 235 16.0 111
Show 12090+2924 SKF1472 174 1.4 115
Show 12215+3038 GIC 106 119 4.5 115
Show 12207+2703 STF1633 245 9.0 121
Show 12141+3049 NSN 626 286 5.0 122
Show 12117+2724 LDS1283 224 2.2 122
Show 12076+2902 SLW 685 142 127.7 130
Show 12269+2816 SMR 58 207 16.1 131
Show 12079+2808 LDS1277 77 3.8 137
Show 12205+3109 SEI 531 28 30.5 138
Show 12279+2931 SKF 489 48 4.3 141
Show 12241+2706 SKF1014 345 3.4 142
Show 12287+2836 LDS1312 297 125.0 142
Show 12189+3119 LDS1291 322 53.9 143
Show 12170+2634 LDS1287 187 1.8 144
Show 12191+3118 DAM1444 318 3.8 144
Show 12093+3031 SKF2585 44 7.9 144
Show 12283+2828 LDS4213 80 2.0 144
Show 12203+2637 PIN 6 187 42.7 144
Show 12262+2728 LDS1307 AB 232 47.7 146
Show 12262+2728 LDS1307 Aa,Ab 69 2.5 146
Show 12201+3121 SEI 530 134 27.7 148

 
 
WDS 12175+2856 : COMPONENTS
 
 
  A
B pa=283.7°
sep=7.39"
 
 
12175+2856 A
 
 
Componente originario normalizzato AB Name HD 106887 Coord arcsec 2000 121730.60+285613.6 Mag 5.7
Spectral class A3IV (white) PmRA -34.00 PmDE 31.0 SAO 82219
HIP 59923 Tycho2 1991-01894-1 HD 106887 HR 4673
GC 16766 ADS 8501 BD BD+29 2275
Tycho2
Tycho2 1991-01894-1 Pflag RAmdeg 184.37739927 DEmdeg 28.93718568
PmRA -32.4 PmDE 34.2 E RAmdeg 3 E DEmdeg 4
E pmRA 1.1 E pmDE 1.0 EpRAm 1991.67 EpDEm 1991.46
Num 12 Q RAmdeg 0.7 Q DEmdeg 1.0 Q pmRA 0.5
Q pmDE 1.0 BTmag 5.908 E BTmag 0.014 VTmag 5.722
E VTmag 0.009 Prox 999 TYC T HIP 59923
CCDM RAdeg 184.37748361 DEdeg 28.93710694 EpRA 1990 1.81
EpDE 1990 1.71 E RAdeg 3.4 E DEdeg 3.7 Posflg
Corr 0.1
SAO
SAO 82219 DelFlag RA1950 PmRA1950 -0.0033
DE1950 PmDE1950 0.033 Vmag 5.7 SpType A0
Double code Source 70 CatNum 16766 DM BD+29 2275
DMcomp BDsup HD 106887 M HD 0
GC 16766 RA1950rad 3.20700945 DE1950rad 0.50988671 PmRA2000 -0.0032
PmDE2000 0.037
Hipparcos
Catalog H HIP 59923 Proxy RAhms 12 17 30.60
DEdms +28 56 13.6 Vmag 5.71 VarFlag R Vmag H
RAdeg 184.377 DEdeg 28.9371 AstroRef Plx 18.74
CCDM 12175+2856 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 106887 BD BD+29 2275
CD CP Dm number +29 2275 VIred 0.16
SpType A4m R SpType Coord arcsec 2000 121730.60+285613.6
Hipparcos 2
HIP 59923 Sn 5 So 0 Nc 1
RArad 3.2179942461 DErad 0.5050477287 Plx 18.2 PmRA -33.85
PmDE 36.11 E RArad 0.31 E DErad 0.22 E Plx 0.35
E pmRA 0.43 E pmDE 0.21 Hpmag 5.7662 E Hpmag 0.0006
SHp 0.006 VA 0 BV 0.16 E BV 0.006
VI 0.16
CCDM
Ccdm 12175+2856 RComp Comp A Note1
Note2 Discov num DRAs 0.56 DDEs 14.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 5.7 Sp A0 PmNote *
PmRA -40 PmDE 33 Dm number +29 2275 Cat1 BD
Name2 +29 1257 Cat2 AGK2/3 HD 106887 M HD
ADS BDS A 8501 M ADS BDS N IDS IDS 12125N2930A
HIC 59923
 
 
12175+2856 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 121730.05+285615.3 Mag 11.2 Calc delta mag 5.5
Calc coord yes
CCDM
Ccdm 12175+2856 RComp Comp B Note1
Note2 Discov num STT 245 DRAs -0.08 DDEs 16.0
R dRAs 90 Year 1958 Theta 280 Rho 8.6
Obs 8 Vmag 9.8 Sp PmNote *
PmRA -41 PmDE 40 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 8501 M ADS BDS N IDS IDS 12125N2930B
HIC 59923