21148+3803 JOD 20 Fa,Fb

 
 
21h 14m 46.86s +38° 01' 13.7" P.A. 349.00 sep 0.9 mag 12.20,13.80 Sp M2.5
 
 
Coord 2000 21148+3803 Discov num JOD  20 Comp Fa,Fb Coord arcsec 2000 21 14 46.86 +38 01 13.7
Date first 2008 Date last 2018 Obs 4
Pa first 18 Pa last 349.2 P.A. Now (θ) 349.2°
Sep first 0.4 Sep last 0.912 Sep. Now (ρ) 0.912"
Mag pri 12.20 Mag sec 13.80 delta mag (ΔM) 1.6 Spectral class M2.5 (red)
Pri motion ra +165 Sec motion ra
Pri motion dec +436 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
21148+3803 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show Tau Cyg 71121 21 14 47 +38 02 43 AGC 13 AB 2017 358 190 1.1 3.83 6.57 2.74 Y
Show 71121 21 14 47 +38 02 43 AGC 13 AC 2012 11 211 73.0 3.83 12.20 8.37
Show 71121 21 14 47 +38 02 43 AGC 13 AB,D 2004 15 208 205.4 3.83 9.94 6.11
Show 71121 21 14 47 +38 02 43 AGC 13 AE 2012 6 257 86.9 3.83 12.40 8.57
Show 71121 21 14 47 +38 02 43 AGC 13 AF 2012 37 184 89.5 3.83 11.95 8.12
Show 71121 21 14 47 +38 02 43 DAL 38 AG 2007 4 109 120.9 3.83 12.50 8.67
Show 71121 21 14 47 +38 02 43 LEP 100 AI 2002 2 77 534.5 3.83 16.02 12.19
Show 71121 21 14 47 +38 02 43 FYM 110 AJ 2012 3 127 49.7 3.83 14.00 10.17
Show 71121 21 14 47 +38 02 43 FYM 110 AK 2012 3 316 99.0 3.83 14.40 10.57
Show 71121 21 14 47 +38 02 43 FYM 110 AL 2012 2 290 32.8 3.83 14.90 11.07
Show 21 14 57 +38 02 09 DAL 38 GH 2015 7 108 8.6 12.50 13.20 0.70
Show 21 14 47 +38 01 14 JOD 20 Fa,Fb 2018 4 349 0.9 12.20 13.80 1.60 <===
13-fold system
13 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 1964791549015851648
 
 
WDS 21148+3803 JOD 20 Fa,Fb : NOTES
 
 
discov_num notes refcode
AGC 13 tau Cyg = 65 Cyg.A is a Delta Scuti-type variable.
Spectral types and masses of components assigned by ten Brummelaar et
al., based on adaptive optics observations. TtB2000
Identification of the ascending node is probable although small
variations of non-orbital origin superimpose on the RV. A is a Delta
Scuti-type variable. A faint star listed as component F is physical;
linear formula given by Heintz.
See Baize & Petit (1989) catalog of doubles with variable component. Baz1989d
AC and AB,D: Optical pair, based on study of relative motion of the
components using the method of apparent motion parameters. Kiy2008
AB: The Soderhjelm (1999) orbit predicts a separation of 0.734", but Sod1999
the magnitude difference (published value 2.7mag) may have been too
great. Hrt2009
Calculated mass sum is 2.63 +/- 0.12 Msun. There is some indication of
a substellar companion orbiting one of the two stars, but this is
uncertain. This solution uses only a single Keplerian model. Mut2010b
AC: Rectilinear solution by Hurowitz et al. (2014). USN2014b
 
 
REFERENCES
 
 
refcode metd author reference
Baz1989d - Baize, P. & Petit, M. 1989A&AS...77..497B
Baz1989d A&AS 77, 497, 1989
Hrt2009 Su j Hartkopf, W.I. & Mason, B.D. 2009AJ....138..813H
Hrt2009 +orb AJ 138, 813, 2009
Kiy2008 - Kiyaeva, O.V., Kiselev, A.A. & Izmailov, I.S. 2008SvAL...32..405K
Kiy2008 SvAL 34, 405, 2008
Mut2010b Kp - Muterspaugh, M.W., Hartkopf, W.I., Lane. B.F., O'Connell, J., Williamson, M., 2010AJ....140.1623M
Mut2010b Kulkarni, S.R., Konacki, M., Burke, B.F., Colavita, M.M., Shao, M., &
Mut2010b Wiktorowicz, S.J.
Mut2010b AJ 140, 1623, 2010
Sod1999 orb - Soderhjelm, S. 1999A&A...341..121S
Sod1999 A&A 341, 121, 1999
TtB2000 Ac j ten Brummelaar, T.A., Mason, B.D., McAlister, H.A., Roberts, L.C., Jr., 2000AJ....119.2403T
TtB2000 Turner, N.H., Hartkopf, W.I., & Bagnuolo, W.G., Jr.
TtB2000 AJ 119, 2403, 2000 (magnitude differences from Mt. Wilson AO)
USN2014b lin - Hurowitz, J.L., Hartkopf, W.I., & Mason, B.D. 2014IAUDS.183....1H
USN2014b Inf. Circ. 183, 1, 2014
 
 
DISCOVERER
 
 
idgroup discov author
1 AGC Clark, A.G.
2 DAL Daley, J.A.
52 FYM Fay, M.
79 JOD Jodar, E., Perez-Garrido, A., Diaz-Sanchez, A., Villo, I., Rebolo, R., &
79 JOD Perez-Prieto, J.A.
80 LEP Lepine, S., Wallace, D., Shara, M., Moffat, A., & Niemela, V.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21148+3803 JOD 20 Fa,Fb 2008 1 18 0.4 12.20 13.80 M2.5 N 211446.86+380113.7
21148+3803 JOD 20 Fa,Fb 2018 4 349 0.9 12.20 13.80 M2.5 N 211446.86+380113.7

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

 
 
WDS 21148+3803 JOD 20 Fa,Fb : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21148+3803 JOD 20 Fa,Fb : MEASURES
 
 
No records found.

 
 
WDS 21148+3803 : VIRTUAL EYEPIECE
 
 

21148+3803 AGC  13A mag 3.83 Sp F3V 21148+3803 AGC  13B sep 1.0 P.A. 187.70 mag 6.57 Sp F7V 21148+3803 AGC  13C sep 69.3 P.A. 205.10 mag 12.2 21148+3803 AGC  13D sep 196.5 P.A. 202.90 mag 9.94 21148+3803 AGC  13E sep 69.5 P.A. 253.40 mag 12.4 21148+3803 JOD  20F sep 89.7 P.A. 184.80 mag 12.2 Sp M2.5 21148+3803 JOD  20Fb sep 88.8 P.A. 184.90 mag 13.8 21148+3803 DAL  38G sep 120.4 P.A. 106.50 mag 12.5 21148+3803 DAL  38H sep 127.3 P.A. 106.90 mag 13.2 21148+3803 LEP 100I sep 427.0 P.A. 74.00 mag 16.02 21148+3803 FYM 110J sep 43.2 P.A. 133.20 mag 14 21148+3803 FYM 110K sep 89.5 P.A. 322.70 mag 14.4 21148+3803 FYM 110L sep 26.7 P.A. 294.20 mag 14.9 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.

Radius:
Components only
 
 
WDS 21148+3803 : ALADIN DSS IMAGE @ 21h 14m 46.86s +38° 01' 13.7"
 
 
 
 
WDS 21148+3803 JOD 20 Fa,Fb : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


21148+3803  JOD  20Fa,Fb distance=0' 21148+3803  AGC  13AB distance=2' 21148+3803  AGC  13AC distance=2' 21148+3803  AGC  13AE distance=2' 21148+3803  AGC  13AF distance=2' 21148+3803  DAL  38AG distance=2' 21148+3803  LEP 100AI distance=2' 21148+3803  AGC  13AB,D distance=2' 21148+3803  FYM 110AK distance=2' 21148+3803  FYM 110AJ distance=2' 21148+3803  FYM 110AL distance=2' 21148+3803  DAL  38GH distance=3' 21149+3806  GUR  28 distance=5' 21144+3803  SEI1461AB distance=5' 21144+3803  GUR  21AC distance=5' 21144+3753  SEI1460 distance=9' 21140+3808  GUR  20 distance=12' 21138+3800  KPP 786 distance=12' 21140+3755  SEI1457 distance=12' 21146+3813  GUR  23 distance=13' 21140+3809  SEI1456 distance=13' 21138+3812  SMA 144 distance=17' 21154+3745  SMA 146 distance=18' 21133+3803  TOB 214 distance=18' 21137+3815  GUR  17 distance=20' 21151+3741  SEI1474 distance=21' 21161+3747  COU1819 distance=21' 21167+3803  DAM1262 distance=24' 21127+3807  GUR  12 distance=26' 21127+3806  GUR  11 distance=26' 21129+3815  GUR  14 distance=26' 21133+3744  SMA 141 distance=27' 21133+3743  SMA 142 distance=27' 21170+3810  SEI1485 distance=28' 21166+3817  SMA 147 distance=28' 21147+3734  SEI1465 distance=28' 21123+3808  TDT2822 distance=30' 21124+3810  COU1971AB distance=31' 21124+3810  GUR   9AC distance=31' 21124+3810  GUR   9AD distance=31' 21124+3810  GUR   9AE distance=31' 21173+3806  TOI1320 distance=31' 21146+3832  SEI1464AB distance=31' 21146+3832  GUR  24AC distance=31' 21146+3832  GUR  24AD distance=31' 21139+3830  COU1817 distance=31' 21126+3819  GUR  10 distance=32' 21137+3830  GUR  18 distance=32' 21152+3833  ES 2061 distance=32' 21133+3734  ES  208 distance=33' 21167+3826  SMA 148 distance=34' 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 21148+3803 JOD 20 Fa,Fb 349 0.9
Show 21148+3803 AGC 13 AB 190 1.1 2
Show 21148+3803 AGC 13 AC 211 73.0 2
Show 21148+3803 AGC 13 AE 257 86.9 2
Show 21148+3803 AGC 13 AF 184 89.5 2
Show 21148+3803 DAL 38 AG 109 120.9 2
Show 21148+3803 LEP 100 AI 77 534.5 2
Show 21148+3803 AGC 13 AB,D 208 205.4 2
Show 21148+3803 FYM 110 AK 316 99.0 2
Show 21148+3803 FYM 110 AJ 127 49.7 2
Show 21148+3803 FYM 110 AL 290 32.8 2
Show 21148+3803 DAL 38 GH 108 8.6 3
Show 21149+3806 GUR 28 115 0.3 5
Show 21144+3803 SEI1461 AB 136 10.7 5
Show 21144+3803 GUR 21 AC 183 23.9 5
Show 21144+3753 SEI1460 259 6.9 9
Show 21140+3808 GUR 20 17 1.6 12
Show 21138+3800 KPP 786 20 6.8 12
Show 21140+3755 SEI1457 27 10.6 12
Show 21146+3813 GUR 23 60 10.4 13
Show 21140+3809 SEI1456 357 21.0 13
Show 21138+3812 SMA 144 326 15.4 17
Show 21154+3745 SMA 146 7 4.5 18
Show 21133+3803 TOB 214 212 23.4 18
Show 21137+3815 GUR 17 105 9.6 20
Show 21151+3741 SEI1474 22 20.0 21
Show 21161+3747 COU1819 329 0.7 21
Show 21167+3803 DAM1262 275 34.4 24
Show 21127+3807 GUR 12 323 2.6 26
Show 21127+3806 GUR 11 39 0.4 26
Show 21129+3815 GUR 14 204 7.8 26
Show 21133+3744 SMA 141 149 7.3 27
Show 21133+3743 SMA 142 176 12.4 27
Show 21170+3810 SEI1485 175 26.6 28
Show 21166+3817 SMA 147 319 13.2 28
Show 21147+3734 SEI1465 33 25.6 28
Show 21123+3808 TDT2822 185 0.6 30
Show 21124+3810 COU1971 AB 283 0.6 31
Show 21124+3810 GUR 9 AC 112 16.9 31
Show 21124+3810 GUR 9 AD 64 9.8 31
Show 21124+3810 GUR 9 AE 75 18.4 31
Show 21173+3806 TOI1320 50 0.3 31
Show 21146+3832 SEI1464 AB 264 28.9 31
Show 21146+3832 GUR 24 AC 264 7.4 31
Show 21146+3832 GUR 24 AD 218 5.4 31
Show 21139+3830 COU1817 110 0.6 31
Show 21126+3819 GUR 10 294 5.3 32
Show 21137+3830 GUR 18 301 14.1 32
Show 21152+3833 ES 2061 298 3.4 32
Show 21133+3734 ES 208 142 3.8 33
Show 21167+3826 SMA 148 357 3.9 34

 
 
WDS 21148+3803 : COMPONENTS
 
 
  A B C D E F Fb G H I J K
B pa=187.7°
sep=1.04"
 
C pa=205.1°
sep=69.27"
pa=205.4°
sep=68.28"
 
D pa=202.9°
sep=196.51"
pa=203.0°
sep=195.50"
pa=201.7°
sep=127.32"
 
E pa=253.4°
sep=69.52"
pa=254.2°
sep=69.10"
pa=319.0°
sep=56.75"
pa=3.5°
sep=161.47"
 
F pa=184.8°
sep=89.71"
pa=184.7°
sep=88.67"
pa=140.5°
sep=34.59"
pa=37.0°
sep=114.72"
pa=139.6°
sep=91.34"
 
Fb pa=184.9°
sep=88.83"
pa=184.9°
sep=87.78"
pa=139.7°
sep=33.82"
pa=36.7°
sep=115.35"
pa=139.3°
sep=90.57"
pa=351.5°
sep=0.91"
 
G pa=106.5°
sep=120.38"
pa=106.0°
sep=120.22"
pa=78.9°
sep=147.65"
pa=52.6°
sep=241.65"
pa=94.5°
sep=182.62"
pa=65.8°
sep=134.71"
pa=66.2°
sep=134.47"
 
H pa=106.9°
sep=127.34"
pa=106.4°
sep=127.17"
pa=80.3°
sep=153.51"
pa=54.0°
sep=245.20"
pa=95.2°
sep=189.28"
pa=67.9°
sep=139.58"
pa=68.3°
sep=139.37"
pa=112.8°
sep=7.00"
 
I pa=74.0°
sep=427.02"
pa=73.9°
sep=427.44"
pa=67.7°
sep=475.49"
pa=58.5°
sep=571.32"
pa=73.9°
sep=496.54"
pa=63.7°
sep=466.45"
pa=63.8°
sep=466.17"
pa=62.8°
sep=331.87"
pa=61.9°
sep=327.42"
 
J pa=133.2°
sep=43.17"
pa=132.1°
sep=42.58"
pa=61.5°
sep=69.34"
pa=35.5°
sep=185.99"
pa=95.7°
sep=98.58"
pa=33.0°
sep=71.38"
pa=33.5°
sep=70.70"
pa=273.2°
sep=84.09"
pa=274.6°
sep=90.71"
pa=248.8°
sep=406.63"
 
K pa=322.7°
sep=89.46"
pa=323.2°
sep=90.21"
pa=349.5°
sep=136.18"
pa=5.1°
sep=253.22"
pa=7.8°
sep=91.91"
pa=343.8°
sep=167.27"
pa=343.7°
sep=166.37"
pa=301.9°
sep=199.66"
pa=301.6°
sep=206.57"
pa=264.3°
sep=466.92"
pa=319.6°
sep=132.23"
 
L pa=294.2°
sep=26.70"
pa=296.3°
sep=27.01"
pa=4.0°
sep=73.83"
pa=15.2°
sep=198.91"
pa=53.9°
sep=52.30"
pa=350.4°
sep=101.76"
pa=350.4°
sep=100.86"
pa=287.9°
sep=146.88"
pa=288.1°
sep=153.85"
pa=256.2°
sep=447.74"
pa=306.0°
sep=68.97"
pa=153.7°
sep=67.23"
 
 
21148+3803 A
 
 
Name Tau Cyg Coord arcsec 2000 211447.49+380243.1 Mag 3.83 Spectral class F3V (yellow-white)
PmRA 196.00 PmDE 410.0 SAO 71121 HIP 104887
Tycho2 3169-03876-1 HD 202444 HR 8130 GC 29723
BD BD+37 4240 Bayer Tau Cygni Bayer name Tau Flamsteed 65 Cygni
Flamsteed name 65 Cyg
Tycho2
Tycho2 3169-03876-1 Pflag RAmdeg 318.69775875 DEmdeg 38.04538156
PmRA 158.7 PmDE 431.3 E RAmdeg 3 E DEmdeg 3
E pmRA 1.5 E pmDE 1.5 EpRAm 1991.62 EpDEm 1991.61
Num 5 Q RAmdeg 1.7 Q DEmdeg 1.7 Q pmRA 1.7
Q pmDE 1.7 BTmag 4.202 E BTmag 0.014 VTmag 3.776
E VTmag 0.009 Prox 999 TYC T HIP 104887
CCDM AB RAdeg 318.69729222 DEdeg 38.04438222 EpRA 1990 1.66
EpDE 1990 1.66 E RAdeg 3.2 E DEdeg 3.2 Posflg P
Corr 0.3
SAO
SAO 71121 DelFlag RA1950 PmRA1950 0.0134
DE1950 PmDE1950 0.437 Vmag 3.8 SpType F0
Double code Source 71 CatNum 799 DM BD+37 4240
DMcomp BDsup HD 202444 M HD 0
GC 29723 RA1950rad 5.55360564 DE1950rad 0.66027878 PmRA2000 0.0135
PmDE2000 0.435
Hipparcos
Catalog H HIP 104887 Proxy H RAhms 21 14 47.35
DEdms +38 02 39.6 Vmag 3.74 VarFlag R Vmag G
RAdeg 318.697 DEdeg 38.0443 AstroRef A Plx 47.8
CCDM 21148+3803 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 6 Rho 0.637 HD 202444 BD BD+37 4240
CD CP Dm number +37 4240 VIred 0.46
SpType F1IV R SpType Coord arcsec 2000 211447.35+380239.6
Hipparcos 2
HIP 104887 Sn 17 So 3 Nc 2
RArad 5.5623168101 DErad 0.6639986561 Plx 49.16 PmRA 196.99
PmDE 410.28 E RArad 0.23 E DErad 0.27 E Plx 0.4
E pmRA 0.3 E pmDE 0.3 Hpmag 3.8228 E Hpmag 0.0004
SHp 0.004 VA 0 BV 0.393 E BV 0.004
VI 0.46
CCDM
Ccdm 21148+3803 RComp Comp A Note1
Note2 Discov num DRAs -0.51 DDEs -15.7
R dRAs 10 Year Theta Rho
Obs 6 Vmag 3.8 Sp F0 PmNote *
PmRA 160 PmDE 440 Dm number +37 4240 Cat1 BD
Name2 Cat2 HD 202444 M HD
ADS BDS A14787 M ADS BDS N IDS IDS 21108N3737A
HIC 104887
 
 
21148+3803 B
 
 
Coord arcsec 2000 211447.48+380242.1 Mag 6.57 Spectral class F7V (yellow-white) PmRA 159.00
PmDE 431.0 Calc delta mag 2.74 Calc coord yes
CCDM
Ccdm 21148+3803 RComp Comp B Note1 *
Note2 Discov num AGC 13 DRAs DDEs
R dRAs Year 1874 Theta Rho
Obs 99 Vmag 8.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14787 M ADS BDS N IDS IDS 21108N3737B
HIC 104887
 
 
21148+3803 C
 
 
Coord arcsec 2000 211445.00+380140.4 Mag 12.2 Calc delta mag 8.37 Calc coord yes
CCDM
Ccdm 21148+3803 RComp Comp C Note1
Note2 Discov num AGC 13 DRAs DDEs
R dRAs Year 1914 Theta 228 Rho 29.4
Obs 8 Vmag 13.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14787 M ADS BDS N IDS IDS 21108N3737C
HIC
 
 
21148+3803 D
 
 
Coord arcsec 2000 211441.02+375942.1 Mag 9.94 PmRA 0.00 PmDE -5.0
Tycho2 3169-01046-1 Calc delta mag 6.11 Calc coord yes
Tycho2
Tycho2 3169-01046-1 Pflag RAmdeg 318.66387670 DEmdeg 37.99540734
PmRA -1.1 PmDE -4.2 E RAmdeg 14 E DEmdeg 13
E pmRA 1.7 E pmDE 1.6 EpRAm 1990.08 EpDEm 1990.21
Num 5 Q RAmdeg 1.1 Q DEmdeg 0.6 Q pmRA 1.1
Q pmDE 0.6 BTmag 10.083 E BTmag 0.024 VTmag 9.941
E VTmag 0.026 Prox 999 TYC T HIP
CCDM RAdeg 318.66387694 DEdeg 37.99541611 EpRA 1990 1.69
EpDE 1990 1.66 E RAdeg 14.8 E DEdeg 14.3 Posflg
Corr 0.2
CCDM
Ccdm 21148+3803 RComp Comp D Note1
Note2 Discov num AGC 13 DRAs DDEs
R dRAs Year 1924 Theta 210 Rho 170.0
Obs 11 Vmag 10.1 Sp PmNote
PmRA PmDE Dm number +37 4237 Cat1 BD
Name2 Cat2 HD M HD
ADS BDS A14787 M ADS BDS N IDS IDS 21108N3737D
HIC
 
 
21148+3803 E
 
 
Coord arcsec 2000 211441.85+380223.3 Mag 12.4 Calc delta mag 8.57 Calc coord yes
 
 
21148+3803 F
 
 
Coord arcsec 2000 211446.86+380113.7 Coord calc 211447.05+380113.8 Mag 12.2 Mag composta 11.95
Spectral class M2.5 (red) PmRA 165.00 PmDE 436.0 Calc delta mag 8.37
 
 
21148+3803 Fb
 
 
Coord arcsec 2000 211446.85+380114.6 Mag 13.8 Calc delta mag 9.97 Calc coord yes
 
 
21148+3803 G
 
 
Coord arcsec 2000 211457.26+380208.9 Coord calc 211457.26+380208.9 Mag 12.5 PmRA -18.00
PmDE -3.0 Calc delta mag 8.67
 
 
21148+3803 H
 
 
Coord arcsec 2000 211457.81+380206.2 Mag 13.2 Calc delta mag 9.37 Calc coord yes
 
 
21148+3803 I
 
 
Coord arcsec 2000 211522.25+380440.6 Mag 16.02 PmRA 216.00 PmDE 453.0
Calc delta mag 12.19 Calc coord yes
 
 
21148+3803 J
 
 
Coord arcsec 2000 211450.15+380213.5 Mag 14 Calc delta mag 10.17 Calc coord yes
 
 
21148+3803 K
 
 
Coord arcsec 2000 211442.91+380354.3 Mag 14.4 PmRA 1.00 PmDE 2.0
Calc delta mag 10.57 Calc coord yes
 
 
21148+3803 L
 
 
Coord arcsec 2000 211445.43+380254.0 Mag 14.9 Calc delta mag 11.07 Calc coord yes