19450+4508 DAL 37 FG

 
 
19h 45m 11.17s +45° 08' 51.4" P.A. 312.00 sep 3.1 mag 13.00,13.80
 
 
Coord 2000 19450+4508 Discov num DAL  37 Comp FG Coord arcsec 2000 19 45 11.17 +45 08 51.4
Date first 2007 Date last 2016 Obs 3
Pa first 311 Pa last 311.5 P.A. Now (θ) 311.5°
Sep first 3.2 Sep last 3.055 Sep. Now (ρ) 3.055"
Mag pri 13.00 Mag sec 13.80 delta mag (ΔM) 0.8 Spectral class
Pri motion ra -001 Sec motion ra
Pri motion dec -009 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
19450+4508 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show Fawaris 48796 19 44 58 +45 07 50 STF 2579 AB 2020 488 213 2.7 2.89 6.27 3.38 Y
Show 48796 19 44 58 +45 07 50 STF 2579 AC 2017 8 67 62.5 2.89 12.00 9.11
Show 48796 19 44 58 +45 07 50 DAL 37 AD 2007 3 246 42.0 2.89 14.80 11.91
Show 48796 19 44 58 +45 07 50 DAL 37 AF 2007 3 66 147.5 2.89 12.80 9.91
Show 19 44 55 +45 07 35 DAL 37 DE 2015 4 251 3.5 14.80 15.20 0.40
Show 19 45 11 +45 08 51 DAL 37 FG 2016 3 312 3.1 13.00 13.80 0.80 <===
Septuple system
7 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 2079785828029245440
 
 
WDS 19450+4508 DAL 37 FG : NOTES
 
 
discov_num notes refcode
STF2579 del Cyg = 18 Cyg.
See Baize & Petit (1989) catalog of doubles with variable component. Baz1989d
Uniform disk diameter 0.874 +/- 0.062 mas,
Limb darkened diameter 0.884 +/- 0.062 mas,
Teff = 12000 +/- 1400 K based on LDD.
Radius is 4.81 +/- 0.36 \rsun. CIA2019a
AB: H 1 94. MEv2010
 
 
REFERENCES
 
 
refcode metd author reference
Baz1989d - Baize, P. & Petit, M. 1989A&AS...77..497B
Baz1989d A&AS 77, 497, 1989
CIA2019a not j Gordon, K.D., Gies, D.R., Schaefer, G.H., Huber, D. & Ireland, M. 2019ApJ...873...91G
CIA2019a ApJ 869, 37, 2018
MEv2010 - MacEvoy, B. ...................
MEv2010 private communication, 2010 (see http://www.handprint.com/ASTRO/index.html)
 
 
DISCOVERER
 
 
idgroup discov author
1 DAL Daley, J.A.
51 STF Struve, F.G.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19450+4508 DAL 37 FG 2007 1 311 3.2 13.10 13.80 194511.17+450851.4
19450+4508 DAL 37 FG 2015 2 312 3.1 13.00 13.80 N 194511.17+450851.4
19450+4508 DAL 37 FG 2016 3 312 3.1 13.00 13.80 N 194511.17+450851.4

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

 
 
WDS 19450+4508 DAL 37 FG : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19450+4508 DAL 37 FG : MEASURES
 
 
No records found.

 
 
WDS 19450+4508 : VIRTUAL EYEPIECE
 
 

19450+4508 STF2579A mag 2.89 Sp B9.5IV 19450+4508 STF2579B sep 2.5 P.A. 204.30 mag 6.27 19450+4508 STF2579C sep 47.4 P.A. 59.10 mag 12 19450+4508 DAL  37D sep 40.7 P.A. 247.00 mag 14.8 19450+4508 DAL  37E sep 43.3 P.A. 246.80 mag 15.2 19450+4508 DAL  37F sep 147.8 P.A. 65.70 mag 13 19450+4508 DAL  37G sep 147.2 P.A. 64.70 mag 13.8 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.

Radius:
Components only
 
 
WDS 19450+4508 : ALADIN DSS IMAGE @ 19h 45m 11.17s +45° 08' 51.4"
 
 
 
 
WDS 19450+4508 DAL 37 FG : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


19450+4508  DAL  37FG distance=0' 19450+4508  STF2579AB (Fawaris) distance=3' 19450+4508  STF2579AC (Fawaris) distance=3' 19450+4508  DAL  37AD (Fawaris) distance=3' 19450+4508  DAL  37AF (Fawaris) distance=3' 19450+4508  DAL  37DE distance=4' 19457+4459  KOI5571AB distance=12' 19457+4459  KOI5571AC distance=12' 19457+4459  KOI5571AD distance=12' 19447+4456  DA   13AB distance=14' 19447+4456  DA   13AC distance=14' 19461+4458  ES   83 distance=15' 19446+4455  KOI3891AB distance=15' 19446+4455  KOI3891AC distance=15' 19446+4455  KOI3891AD distance=15' 19446+4455  KOI3891AE distance=15' 19446+4455  KOI3891AF distance=15' 19470+4502  KOI1821 distance=21' 19470+4500  DEA 190 distance=22' 19442+4448  KOI4523 distance=24' 19467+4451  KOI6187 distance=24' 19438+4450  KOI 320 distance=25' 19456+4534  KOI 931 distance=26' 19474+4515  SMA  93 distance=26' 19428+4519  DEA 478 distance=27' 19438+4445  KOI3349 distance=28' 19450+4536  DEA 349 distance=29' 19440+4443  KOI2656 distance=29' 19439+4443  KOI3946 distance=30' 19448+4440  KOI4263 distance=30' 19477+4451  COU2691 distance=33' 19460+4438  KOI4610 distance=33' 19423+4451  COU2690 distance=36' 19440+4434  DEA 167 distance=37' 19448+4433  KOI5528 distance=37' 19441+4434  KOI5527AB distance=37' 19441+4434  KOI5527AC distance=37' 19469+4435  KOI7049AB distance=39' 19469+4435  KOI7049AC distance=39' 19454+4430  KOI4299 distance=39' 19448+4430  KOI4584 distance=40' 19414+4507  KOI3106 distance=41' 19478+4436  DEA 303 distance=43' 19469+4430  KOI2992 distance=44' 19416+4531  DEA 101 distance=44' 19424+4437  KOI5545 distance=44' 19455+4423  KOI7028AB distance=46' 19455+4423  KOI7028AC distance=46' 19412+4531  KOI7139 distance=48' 19447+4421  KOI5509 distance=49' 19467+4421  YSC 136 distance=51' 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 19450+4508 DAL 37 FG 312 3.1
Show Fawaris 19450+4508 STF2579 AB 213 2.7 3
Show Fawaris 19450+4508 STF2579 AC 67 62.5 3
Show Fawaris 19450+4508 DAL 37 AD 246 42.0 3
Show Fawaris 19450+4508 DAL 37 AF 66 147.5 3
Show 19450+4508 DAL 37 DE 251 3.5 4
Show 19457+4459 KOI5571 AB 52 1.9 12
Show 19457+4459 KOI5571 AC 270 3.0 12
Show 19457+4459 KOI5571 AD 315 3.4 12
Show 19447+4456 DA 13 AB 274 2.0 14
Show 19447+4456 DA 13 AC 288 155.3 14
Show 19461+4458 ES 83 210 7.2 15
Show 19446+4455 KOI3891 AB 242 1.0 15
Show 19446+4455 KOI3891 AC 137 2.0 15
Show 19446+4455 KOI3891 AD 188 1.4 15
Show 19446+4455 KOI3891 AE 98 4.7 15
Show 19446+4455 KOI3891 AF 78 6.1 15
Show 19470+4502 KOI1821 90 3.8 21
Show 19470+4500 DEA 190 67 8.7 22
Show 19442+4448 KOI4523 103 4.0 24
Show 19467+4451 KOI6187 116 3.6 24
Show 19438+4450 KOI 320 208 3.9 25
Show 19456+4534 KOI 931 177 1.3 26
Show 19474+4515 SMA 93 197 10.4 26
Show 19428+4519 DEA 478 286 55.2 27
Show 19438+4445 KOI3349 639 0.3 28
Show 19450+4536 DEA 349 143 15.5 29
Show 19440+4443 KOI2656 311 3.5 29
Show 19439+4443 KOI3946 63 4.1 30
Show 19448+4440 KOI4263 156 3.8 30
Show 19477+4451 COU2691 211 1.1 33
Show 19460+4438 KOI4610 137 2.6 33
Show 19423+4451 COU2690 127 0.6 36
Show 19440+4434 DEA 167 168 8.6 37
Show 19448+4433 KOI5528 62 2.7 37
Show 19441+4434 KOI5527 AB 114 2.4 37
Show 19441+4434 KOI5527 AC 236 2.9 37
Show 19469+4435 KOI7049 AB 281 3.3 39
Show 19469+4435 KOI7049 AC 258 3.3 39
Show 19454+4430 KOI4299 264 2.0 39
Show 19448+4430 KOI4584 221 3.0 40
Show 19414+4507 KOI3106 189 0.3 41
Show 19478+4436 DEA 303 202 12.3 43
Show 19469+4430 KOI2992 238 6.0 44
Show 19416+4531 DEA 101 150 6.1 44
Show 19424+4437 KOI5545 285 0.1 44
Show 19455+4423 KOI7028 AB 206 2.9 46
Show 19455+4423 KOI7028 AC 56 3.8 46
Show 19412+4531 KOI7139 233 3.2 48
Show 19447+4421 KOI5509 72 3.1 49
Show 19467+4421 YSC 136 287 0.1 51

 
 
WDS 19450+4508 : COMPONENTS
 
 
  A B C D E F
B pa=204.3°
sep=2.53"
 
C pa=59.1°
sep=47.37"
pa=57.4°
sep=49.47"
 
D pa=247.0°
sep=40.70"
pa=249.5°
sep=38.88"
pa=242.7°
sep=87.85"
 
E pa=246.8°
sep=43.31"
pa=249.1°
sep=41.48"
pa=242.8°
sep=90.47"
pa=243.3°
sep=2.62"
 
F pa=65.7°
sep=147.82"
pa=65.0°
sep=149.73"
pa=68.8°
sep=100.91"
pa=66.0°
sep=188.51"
pa=65.9°
sep=191.13"
 
G pa=64.7°
sep=147.21"
pa=64.1°
sep=149.14"
pa=67.3°
sep=100.17"
pa=65.2°
sep=187.88"
pa=65.2°
sep=190.49"
pa=321.4°
sep=2.59"
 
 
19450+4508 A
 
 
Common name Fawaris Coord arcsec 2000 194458.44+450750.5 Mag 2.89 Spectral class B9.5IV (blue-white)
PmRA 51.00 PmDE 50.0 SAO 48796 HIP 97165
Tycho2 3557-02486-1 HD 186882 HR 7528 GC 27347
BD BD+44 3234 Bayer Delta Cygni Bayer name Del Cyg Flamsteed 18 Cygni
Flamsteed name 18 Cyg
Tycho2
Tycho2 3557-02486-1 Pflag X RAmdeg DEmdeg
PmRA PmDE E RAmdeg E DEmdeg
E pmRA E pmDE EpRAm EpDEm
Num Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 2.866 E BTmag 0.014 VTmag 2.893
E VTmag 0.009 Prox 25 TYC T HIP 97165
CCDM A RAdeg 296.24351972 DEdeg 45.13069611 EpRA 1990 1.70
EpDE 1990 1.64 E RAdeg 3.5 E DEdeg 3.5 Posflg
Corr 0.6
SAO
SAO 48796 DelFlag RA1950 PmRA1950 0.0046
DE1950 PmDE1950 0.049 Vmag 3 SpType A0
Double code Source 71 CatNum 742 DM BD+44 3234
DMcomp BDsup HD 186882 M HD 0
GC 27347 RA1950rad 5.16360542 DE1950rad 0.78553504 PmRA2000 0.005
PmDE2000 0.048
Hipparcos
Catalog H HIP 97165 Proxy H RAhms 19 44 58.44
DEdms +45 07 50.5 Vmag 2.86 VarFlag R Vmag G
RAdeg 296.243 DEdeg 45.1307 AstroRef A Plx 19.07
CCDM 19450+4508 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 228 Rho 2.52 HD 186882 BD BD+44 3234
CD CP Dm number +44 3234 VIred -0.02
SpType B9.5III R SpType Coord arcsec 2000 194458.44+450750.5
Hipparcos 2
HIP 97165 Sn 15 So 3 Nc 2
RArad 5.1704246155 DErad 0.7876791647 Plx 19.77 PmRA 44.07
PmDE 48.66 E RArad 0.41 E DErad 0.41 E Plx 0.48
E pmRA 0.46 E pmDE 0.49 Hpmag 2.8683 E Hpmag 0.0002
SHp 0.004 VA 0 BV -0.002 E BV 0.003
VI -0.02
CCDM
Ccdm 19450+4508 RComp Comp A Note1
Note2 Discov num DRAs -1.56 DDEs -9.7
R dRAs 10 Year Theta Rho
Obs 3 Vmag 3.0 Sp A0 PmNote *
PmRA 44 PmDE 44 Dm number +44 3234 Cat1 BD
Name2 +45 1581 Cat2 AGK2/3 HD 186882 M HD
ADS BDS A12880 M ADS BDS N IDS IDS 19418N4453A
HIC 97165
 
 
19450+4508 B
 
 
Coord arcsec 2000 194458.34+450748.2 Mag 6.27 Calc delta mag 3.38 Calc coord yes
CCDM
Ccdm 19450+4508 RComp Comp B Note1 *
Note2 Discov num STF2579 DRAs DDEs
R dRAs Year 1830 Theta Rho
Obs 99 Vmag 7.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A12880 M ADS BDS N IDS IDS 19418N4453B
HIC 97165
 
 
19450+4508 C
 
 
Coord arcsec 2000 194502.28+450814.8 Mag 12 Calc delta mag 9.11 Calc coord yes
CCDM
Ccdm 19450+4508 RComp Comp C Note1
Note2 Discov num STF2579 DRAs DDEs
R dRAs Year 1960 Theta 066 Rho 65.7
Obs 2 Vmag 12.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A12880 M ADS BDS N IDS IDS 19418N4453C
HIC
 
 
19450+4508 D
 
 
Coord arcsec 2000 194454.90+450734.6 Coord calc 194454.90+450734.6 Mag 14.8 PmRA -7.00
PmDE -4.0 Calc delta mag 11.91
 
 
19450+4508 E
 
 
Coord arcsec 2000 194454.68+450733.4 Mag 15.2 Calc delta mag 12.31 Calc coord yes
 
 
19450+4508 F
 
 
Coord arcsec 2000 194511.17+450851.4 Coord calc 194511.17+450851.4 Mag 13 PmRA -1.00
PmDE -9.0 Calc delta mag 10.11
 
 
19450+4508 G
 
 
Coord arcsec 2000 194511.02+450853.4 Mag 13.8 Calc delta mag 10.91 Calc coord yes