21435+5847 SMR 41 AG

 
 
21h 43m 30.45s +58° 46' 48.2" P.A. 33.00 sep 107.3 mag 4.27,11.00 Sp M2Iae dist. 1818.18 pc (5930.9 l.y.)
 
 
Coord 2000 21435+5847 Discov num SMR  41 Comp AG Coord arcsec 2000 21 43 30.45 +58 46 48.2
Date first 2012 Date last 2019 Obs 2
Pa first 30 Pa last 32.8 P.A. Now (θ) 32.8°
Sep first 105.9 Sep last 107.3 Sep. Now (ρ) 107.3"
Mag pri 4.27 Mag sec 11.00 delta mag (ΔM) 6.73 Spectral class M2Iae (red)
Pri motion ra +005 Sec motion ra
Pri motion dec -004 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
21435+5847 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show Garnet star 33693 21 43 30 +58 46 48 BU 690 AB 2019 14 263 19.5 4.27 12.30 8.03
Show 33693 21 43 30 +58 46 48 BU 690 AC 2019 11 297 42.4 4.27 12.70 8.43
Show 33693 21 43 30 +58 46 48 SMR 41 AD 2019 2 192 62.5 4.27 13.00 8.73
Show 33693 21 43 30 +58 46 48 SMR 41 AE 2019 5 349 45.1 4.27 13.00 8.73
Show 33693 21 43 30 +58 46 48 SMR 41 AF 2019 4 17 75.9 4.27 13.00 8.73
Show 33693 21 43 30 +58 46 48 SMR 41 AG 2019 2 33 107.3 4.27 11.00 6.73 <===
Septuple system
7 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Common name Garnet star Constellation Cepheus SAO 33693 HIP 107259
Tycho2 3979-01616-1 Gaia DR2 2202630001591176064 HD 206936 HR 8316
GC 30440 ADS 15271 BD BD+58 2316 Bayer Mu Cephei
Bayer name Mu Cep Distance 1818.18 Distance ly 5930.9 Bayer greek μ Cep
Other names Erakis, Herschel's Garnet Star, Granatum Sidus
Meaning garnet star
 
 
WDS 21435+5847 SMR 41 AG : NOTES
 
 
discov_num notes refcode
BU 690 mu Cep = Erakis = Herschel's Garnet Star. A is a semiregular variable.
Mk III Uniform-disk diameter 17.7 +/- 0.3 mas. MkT1989
Mk III Limb-darkened diameter 20.584 +/- 0.480 mas. MkT2003
 
 
REFERENCES
 
 
refcode metd author reference
MkT1989 not j Hutter, D.J., Johnston, K.J., Mozurkewich, D., Simon, R.S., Colavita, M.M., Pan, 1989ApJ...340.1103H
MkT1989 X.P., Shao, M., Hines, B.E., Staelin, D.H., Hershey, J.L., Hughes, J.A. & Kaplan, .
MkT1989 G.H. .
MkT1989 ApJ 340, 1103, 1989 .
MkT2003 Km - Mozurkewich, D., Armstrong, J.T., Hindsley, R., Quirrenbach, A., Hummel, C.A., 2003AJ....126.2502M
MkT2003 +not Hutter, D., Johnston, K.J., Hajian, A., Elias, N.M., II, Buscher, D., & Simon, R.
MkT2003 AJ 126, 2502, 2003
 
 
DISCOVERER
 
 
idgroup discov author
1 BU Burnham, S.W. (BU 1 - 81)
179 SMR Schlimmer, J.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21435+5847 SMR 41 AG 2012 1 30 105.9 4.20 11.00 M2Iae 214330.45+584648.2
21435+5847 SMR 41 AG 2019 2 33 107.3 4.27 11.00 M2Iae N 214330.45+584648.2

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

 
 
WDS 21435+5847 SMR 41 AG : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21435+5847 SMR 41 AG : MEASURES
 
 
No records found.

 
 
WDS 21435+5847 : VIRTUAL EYEPIECE
 
 

21435+5847 BU  690A mag 4.27 Sp M2I 21435+5847 BU  690B sep 10.3 P.A. 255.70 mag 12.3 Sp K2II 21435+5847 BU  690C sep 27.3 P.A. 313.90 mag 12.7 21435+5847 SMR  41D sep 61.5 P.A. 186.10 mag 13 21435+5847 SMR  41E sep 44.5 P.A. 354.20 mag 13 21435+5847 SMR  41F sep 73.5 P.A. 8.90 mag 13 21435+5847 SMR  41G sep 95.1 P.A. 18.50 mag 11 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.

Radius:
Components only
 
 
WDS 21435+5847 : ALADIN DSS IMAGE @ 21h 43m 30.45s +58° 46' 48.2"
 
 
 
 
WDS 21435+5847 SMR 41 AG : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


21435+5847  BU  690AB (Garnet star) distance=1' 21435+5847  BU  690AC (Garnet star) distance=1' 21435+5847  SMR  41AD (Garnet star) distance=1' 21435+5847  SMR  41AE (Garnet star) distance=1' 21435+5847  SMR  41AF (Garnet star) distance=1' 21435+5847  SMR  41AG (Garnet star) distance=1' 21426+5851  SKF2029 distance=9' 21434+5834  MLB  91 distance=13' 21436+5827  LDS4905 distance=20' 21397+5815  MLB  90AB distance=44' 21397+5815  MLB  90AC distance=44' 21495+5834  STI2588 distance=49' 21494+5830  HJ 3063 distance=49' 21373+5900  HJ 1677AB distance=50' 21448+5937  ES 1761 distance=53' 21366+5842  BU  371 distance=55' 21437+5943  STI1045 distance=57' 21462+5748  ES   36BC distance=63' 21462+5748  HJ 1694AB distance=63' 21462+5748  ABH 151AD distance=63' 21462+5748  ABH 151AE distance=63' 21477+5942  PET  11 distance=64' 21429+5738  VBS  35 distance=68' 21519+5911  STI2597 distance=70' 21516+5918  KPP4252 distance=70' 21418+5737  HJ 3055 distance=71' 21506+5932  LDS5931 distance=71' 21346+5906  STF2810 distance=72' 21500+5940  STI1055 distance=73' 21478+5743  FOX 263 distance=73' 21391+5742  PET   8 distance=74' 21404+5735  STF2819 distance=77' 21385+5741  PET   7 distance=77' 21335+5857  MLR 437 distance=78' 21524+5928  TDT3209 distance=81' 21413+5728  TDS1141 distance=81' 21507+5947  STI1058 distance=82' 21380+5738  PET   6 distance=82' 21394+5732  PET   9 distance=82' 21328+5839  HJ 1659AB distance=84' 21328+5839  HJ 1659AC distance=84' 21395+5729  STI2582 distance=85' 21339+5928  MLR 438 distance=85' 21390+5729  FLE   3DE distance=86' 21495+5736  TDT3179 distance=86' 21390+5729  MIU   2Aa,Ab distance=86' 21390+5729  BU 1143AB distance=86' 21390+5729  STF2816AC distance=86' 21390+5729  STF2816AD distance=86' 21390+5729  GUI  36CD distance=86' 21348+5941  STF2812 distance=86' 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 Garnet star 21435+5847 BU 690 AB 263 19.5 1
Show Garnet star 21435+5847 BU 690 AC 297 42.4 1
Show Garnet star 21435+5847 SMR 41 AD 192 62.5 1
Show Garnet star 21435+5847 SMR 41 AE 349 45.1 1
Show Garnet star 21435+5847 SMR 41 AF 17 75.9 1
Show Garnet star 21435+5847 SMR 41 AG 33 107.3 1
Show 21426+5851 SKF2029 207 91.2 9
Show 21434+5834 MLB 91 70 4.6 13
Show 21436+5827 LDS4905 227 41.4 20
Show 21397+5815 MLB 90 AB 37 8.2 44
Show 21397+5815 MLB 90 AC 136 29.7 44
Show 21495+5834 STI2588 112 4.9 49
Show 21494+5830 HJ 3063 64 11.5 49
Show 21373+5900 HJ 1677 AB 128 16.1 50
Show 21448+5937 ES 1761 343 3.2 53
Show 21366+5842 BU 371 3 8.7 55
Show 21437+5943 STI1045 312 9.7 57
Show 21462+5748 ES 36 BC 138 7.1 63
Show 21462+5748 HJ 1694 AB 13 19.9 63
Show 21462+5748 ABH 151 AD 50 51.0 63
Show 21462+5748 ABH 151 AE 277 87.8 63
Show 21477+5942 PET 11 194 0.1 64
Show 21429+5738 VBS 35 253 6.0 68
Show 21519+5911 STI2597 118 10.7 70
Show 21516+5918 KPP4252 112 14.8 70
Show 21418+5737 HJ 3055 158 7.2 71
Show 21506+5932 LDS5931 258 3.6 71
Show 21346+5906 STF2810 290 16.8 72
Show 21500+5940 STI1055 95 13.1 73
Show 21478+5743 FOX 263 300 16.7 73
Show 21391+5742 PET 8 218 1.4 74
Show 21404+5735 STF2819 58 12.7 77
Show 21385+5741 PET 7 256 0.5 77
Show 21335+5857 MLR 437 302 0.5 78
Show 21524+5928 TDT3209 208 2.0 81
Show 21413+5728 TDS1141 29 0.9 81
Show 21507+5947 STI1058 218 3.0 82
Show 21380+5738 PET 6 118 1.5 82
Show 21394+5732 PET 9 42 1.2 82
Show 21328+5839 HJ 1659 AB 287 7.8 84
Show 21328+5839 HJ 1659 AC 68 19.3 84
Show 21395+5729 STI2582 187 20.9 85
Show 21339+5928 MLR 438 168 5.0 85
Show 21390+5729 FLE 3 DE 351 55.2 86
Show 21495+5736 TDT3179 74 1.7 86
Show 21390+5729 MIU 2 Aa,Ab 196 0.1 86
Show 21390+5729 BU 1143 AB 319 1.8 86
Show 21390+5729 STF2816 AC 120 11.8 86
Show 21390+5729 STF2816 AD 339 20.6 86
Show 21390+5729 GUI 36 CD 324 30.6 86
Show 21348+5941 STF2812 133 2.4 86

 
 
WDS 21435+5847 : COMPONENTS
 
 
  A B C D E F
B pa=255.7°
sep=10.35"
 
C pa=313.9°
sep=27.31"
pa=335.8°
sep=23.55"
 
D pa=186.1°
sep=61.51"
pa=176.6°
sep=58.72"
pa=170.7°
sep=81.17"
 
E pa=354.2°
sep=44.51"
pa=6.7°
sep=47.16"
pa=30.9°
sep=29.55"
pa=1.1°
sep=105.47"
 
F pa=8.9°
sep=73.47"
pa=15.9°
sep=78.13"
pa=30.1°
sep=62.00"
pa=7.7°
sep=134.94"
pa=29.4°
sep=32.46"
 
G pa=18.5°
sep=95.09"
pa=23.4°
sep=101.06"
pa=35.0°
sep=86.93"
pa=13.6°
sep=155.74"
pa=37.0°
sep=57.49"
pa=46.7°
sep=25.68"
 
 
21435+5847 A
 
 
Common name Garnet star Meaning garnet star Other names Erakis, Herschel's Garnet Star, Granatum Sidus Coord arcsec 2000 214330.45+584648.2
Mag 4.27 Spectral class M2I (red) PmRA 5.00 PmDE -4.0
SAO 33693 HIP 107259 Tycho2 3979-01616-1 HD 206936
HR 8316 GC 30440 BD BD+58 2316 Bayer Mu Cephei
Bayer name Mu Cep
Tycho2
Tycho2 3979-01616-1 Pflag RAmdeg 325.87692062 DEmdeg 58.78004333
PmRA 5.1 PmDE -3.8 E RAmdeg 3 E DEmdeg 3
E pmRA 0.9 E pmDE 0.9 EpRAm 1991.44 EpDEm 1991.49
Num 12 Q RAmdeg 0.7 Q DEmdeg 0.7 Q pmRA 0.8
Q pmDE 0.9 BTmag 6.993 E BTmag 0.015 VTmag 4.267
E VTmag 0.009 Prox 999 TYC T HIP 107259
CCDM RAdeg 325.87689750 DEdeg 58.78005194 EpRA 1990 1.61
EpDE 1990 1.64 E RAdeg 3.3 E DEdeg 3.3 Posflg
Corr -0.1
SAO
SAO 33693 DelFlag RA1950 PmRA1950 0
DE1950 PmDE1950 0.001 Vmag 4 SpType M0
Double code Source 70 CatNum 30440 DM BD+58 2316
DMcomp BDsup HD 206936 M HD 0
GC 30440 RA1950rad 5.68093772 DE1950rad 1.02189341 PmRA2000 0.0004
PmDE2000 -0.003
Hipparcos
Catalog H HIP 107259 Proxy RAhms 21 43 30.45
DEdms +58 46 48.2 Vmag 4.23 VarFlag 2 R Vmag H
RAdeg 325.877 DEdeg 58.7801 AstroRef Plx 0.62
CCDM 21435+5847 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 206936 BD BD+58 2316
CD CP Dm number +58 2316 VIred 4.28
SpType M2Ia R SpType Coord arcsec 2000 214330.45+584648.2
Hipparcos 2
HIP 107259 Sn 3 So 0 Nc 1
RArad 5.6876247903 DErad 1.0259054598 Plx 0.55 PmRA 5.36
PmDE -3.51 E RArad 0.16 E DErad 0.14 E Plx 0.2
E pmRA 0.17 E pmDE 0.18 Hpmag 3.9123 E Hpmag 0.0291
SHp 0.204 VA 2 BV 2.242 E BV 0.025
VI 3.57
CCDM
Ccdm 21435+5847 RComp Comp A Note1
Note2 Discov num DRAs 0.44 DDEs -11.9
R dRAs 10 Year Theta Rho
Obs 3 Vmag Sp M1 PmNote *
PmRA -1 PmDE 0 Dm number +58 2316 Cat1 BD
Name2 +58 1378 Cat2 AGK2/3 HD 206936 M HD
ADS BDS A15271 M ADS BDS N IDS IDS 21404N5819A
HIC 107259
 
 
21435+5847 B
 
 
Coord arcsec 2000 214329.16+584645.7 Mag 12.3 Spectral class K2II (yellow-orange) Calc delta mag 8.03
Calc coord yes
CCDM
Ccdm 21435+5847 RComp Comp B Note1
Note2 Discov num BU 690 DRAs DDEs
R dRAs Year 1878 Theta 260 Rho 19.5
Obs 9 Vmag 12.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A15271 M ADS BDS N N IDS IDS 21404N5819B
HIC
 
 
21435+5847 C
 
 
Coord arcsec 2000 214327.92+584707.1 Mag 12.7 PmRA -4.00 PmDE -7.0
Calc delta mag 8.43 Calc coord yes
CCDM
Ccdm 21435+5847 RComp Comp C Note1
Note2 Discov num BU 690 DRAs DDEs
R dRAs Year 1878 Theta 299 Rho 41.2
Obs 6 Vmag 12.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A15271 M ADS BDS N IDS IDS 21404N5819C
HIC
 
 
21435+5847 D
 
 
Coord arcsec 2000 214329.61+584547.0 Mag 13 Calc delta mag 8.73 Calc coord yes
 
 
21435+5847 E
 
 
Coord arcsec 2000 214329.87+584732.5 Mag 13 Calc delta mag 8.73 Calc coord yes
 
 
21435+5847 F
 
 
Coord arcsec 2000 214331.92+584800.8 Mag 13 Calc delta mag 8.73 Calc coord yes
 
 
21435+5847 G
 
 
Coord arcsec 2000 214334.33+584818.4 Mag 11 Calc delta mag 6.73 Calc coord yes