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) |
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 | <=== |
Constellation | Cygnus | Gaia DR2 | 2079785828029245440 |
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 |
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) |
idgroup | discov | author |
1 | DAL | Daley, J.A. |
51 | STF | Struve, F.G.W. |
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 |
Click on the map to see the double of your interest. Pass over with the mouse cursor to display the catalog designation. |
Click on the map to see the double of your interest. Pass over with the mouse cursor to display the catalog designation. |
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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" |
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 | 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 | 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 |
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 |
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 | 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 |
Coord arcsec 2000 | 194458.34+450748.2 | Mag | 6.27 | Calc delta mag | 3.38 | Calc coord | yes |
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 |
Coord arcsec 2000 | 194502.28+450814.8 | Mag | 12 | Calc delta mag | 9.11 | Calc coord | yes |
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 |
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 |
Coord arcsec 2000 | 194454.68+450733.4 | Mag | 15.2 | Calc delta mag | 12.31 | Calc coord | yes |
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 |
Coord arcsec 2000 | 194511.02+450853.4 | Mag | 13.8 | Calc delta mag | 10.91 | Calc coord | yes |