Coord 2000 | 18501+3322 | Discov num | BU 293 | Comp | AC | Coord arcsec 2000 | 18 50 04.79 +33 21 45.6 | ||||
Date first | 1878 | Date last | 2015 | Obs | 8 | ||||||
Pa first | 248 | Pa last | 247.2 | P.A. Now (θ) | 247.2° | ||||||
Sep first | 46.3 | Sep last | 46.778 | Sep. Now (ρ) | 46.778" | ||||||
Mag pri | 3.63 | Mag sec | 13.00 | delta mag (ΔM) | 9.37 | Spectral class | B7Ve (blue-white) | ||||
Pri motion ra | +002 | Sec motion ra | -002 | ||||||||
Pri motion dec | -004 | Sec motion dec | -002 | ||||||||
Notes | N S (See Notes, Parallax indidates non-physical) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 67451 | 18 50 05 +33 21 46 | CIA 3 Aa1,2 | 2007 | 14 | 88 | 0.0 | 3.60 | 4.00 | 0.40 | Y | ||
Show | 67451 | 18 50 05 +33 21 46 | RBR 11 Aa,Ab | 2002 | 1 | 176 | 0.5 | 3.60 | 8.20 | 4.60 | |||
Show | Sheliak | 67451 | 18 50 05 +33 21 46 | STFA 39 AB | 2017 | 117 | 149 | 45.7 | 3.63 | 6.69 | 3.06 | ||
Show | 67451 | 18 50 05 +33 21 46 | BU 293 AC | 2015 | 8 | 247 | 46.8 | 3.63 | 13.00 | 9.37 | <=== | ||
Show | 67451 | 18 50 05 +33 21 46 | BU 293 AD | 2015 | 8 | 68 | 64.0 | 3.63 | 14.30 | 10.67 | |||
Show | 67451 | 18 50 05 +33 21 46 | BU 293 AE | 2015 | 37 | 317 | 67.2 | 3.63 | 10.14 | 6.51 | |||
Show | 67451 | 18 50 05 +33 21 46 | BU 293 AF | 2015 | 36 | 18 | 86.0 | 3.63 | 10.62 | 6.99 | |||
Show | 67453 | 18 50 07 +33 21 07 | BU 293 BE | 2015 | 14 | 322 | 112.4 | 6.69 | 10.13 | 3.44 | |||
Show | 67453 | 18 50 07 +33 21 07 | BU 293 BF | 2015 | 14 | 1 | 120.6 | 6.69 | 10.62 | 3.93 | |||
Show | 18 50 01 +33 22 35 | BU 293 EF | 2015 | 11 | 66 | 79.4 | 10.14 | 10.62 | 0.48 |
Common name | Sheliak | Constellation | Lyra | SAO | 67451 | HIP | 92420 | ||||
Tycho2 | 2642-02929-1 | Gaia DR2 | 2090687795054381056 | HD | 174638 | HR | 7106 | ||||
GC | 25847 | ADS | 11745 | BD | BD+33 3223 | Bayer | Beta Lyrae | ||||
Bayer name | Bet Lyr | Flamsteed | 10 Lyrae | Flamsteed name | 10 Lyr | FK5 | 705 | ||||
Distance | 294.99 | Distance ly | 962.26 | Bayer greek | β Lyr |
Other names | SHILIAK, Shelyak |
Meaning | turtle (carapace) |
discov_num | notes | refcode |
STFA 39 | STTA175. A is 10 Lyr = Sheliak = bet Lyr, the prototype variable of | |
its class. B is BD+33@3224. | ||
AB: H 5 3. | MEv2010 | |
CIA 3 | Aa1,2: bet Lyr. Eclipsing binary (P=12.9d) resolved by CHARA Array | |
(Zhao et al. 2008). Reductions by two techniques (MACIM and BSMEM) and | CIA2008b | |
a model fit listed in paper; MACIM and BSMEM results given in WDS and | ||
Interferometric Catalog. Three possible orbital solutions also given, | ||
adopting period and Tmin from Ak et al. (2007 A&A 463, 233) and e=0 | ||
(Harmanec 2002 ANac 323, 87). These yield distance estimates ranging | ||
from 271 to 313 pc; masses for the gainer and donor are 12.76 +/- 0.27 | ||
and 2.83 +/- 0.18 Msun, respectively. | ||
Aa1,2: Malkov et al. (2012) derive dynamical and spectroscopic masses | ||
19.84 +/- 11.13 and 15.84 Msun, respectively. | Mlk2012 | |
In addition to the close pair there is also a hot spot with a size of | IAU2014b | |
22-33 solar radii. What is unknown is where the mass is lost and how | ||
much matter is in the jets. |
refcode | metd | author | reference |
CIA2008b | Kc j | Zhao, M., Gies, D., Monnier, J.D., Thureau, N., Pedretti, E., Baron, F., | 2008ApJ...684L..95Z |
CIA2008b | +orb | Merand, A., ten Brummelaar, T., McAlister, H., Ridgway, S.T., Turner, N., | |
CIA2008b | Sturmann, J., Sturmann, L., Farrington, C., & Goldfinger, P.J. | ||
CIA2008b | ApJ 684, L95, 2008 | ||
IAU2014b | - | Lomax, J. (IAU Symposium 307, in press) | . |
MEv2010 | - | MacEvoy, B. | ................... |
MEv2010 | private communication, 2010 (see http://www.handprint.com/ASTRO/index.html) | ||
Mlk2012 | not - | Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. | 2012A&A...546A..69M |
Mlk2012 | A&A 546, A69, 2012 |
idgroup | discov | author |
1 | BU | Burnham, S.W. (BU 1 - 81) |
179 | RBR | Roberts, L.C., Jr. & Neyman, C.R. |
180 | RBR | Roberts, L.C., Jr., Turner, N.H., Bradford, L.W., ten Brummelaar, T., Oppenheimer, |
180 | RBR | B., Kuhn, J., Whitman, K., Perrin, M., et al. |
185 | RBR | Roberts, L.C., Jr., Gies, D.R., Parks, J.R., Grundstrom, E.D., McSwain, M., |
185 | RBR | Berger, D., Mason, B., ten Brummelaar, T. & Turner, N. |
192 | RBR | Roberts, L.C., Jr., Turner, N.H., ten Brummelaar, T.A., Mason, B.D., & |
192 | RBR | AJ 142, 175, 2011 |
192 | RBR | Roberts, L.C., Jr., Rice, E.L., Beichman, C.A., Brenner, D., Burruss, R., |
192 | RBR | Crepp, J.R., Dekany, R.G., Hillenbrand, L.A., Hinkley, S., Ligon, E.R., |
192 | RBR | Lockhart, T.G., King, D., et al. |
193 | RBR | Roberts, L.C., Jr., Bouchez, A.H., Roberts, J.E., Burruss, R., Crepp, J.R., Mawet, |
193 | RBR | D., Ohara, C.M., Cromer, J.L., Dekany, R.G., Troy, M., Velur, V. & Li, J. |
194 | RBR | Roberts, L.C., Jr., Tokovinin, A., Mason, B.D., Riddle, R.L., Hartkopf, W.I., |
194 | RBR | Law, N.M., & Baranec, Ch. |
195 | RBR | Roberts, L.C., Jr., Mason, B.D., Neyman, C.R., Wu, Y., Riddle, R.L., Shelton, J., |
195 | RBR | Angione, J., Baranec, Ch., Bouchez, A., Bui, K., Burruss, R., Burse, M., et al. |
196 | RBR | Roberts, L.C., Jr., Oppenheimer, R., Crepp, J.R., Baranec, Ch., Beichman, C.A., |
196 | RBR | Brenner, D., Burruss, R., Cady, E., Luszcz-Cook, S., Dekany, R., |
196 | RBR | Hillenbrand, L.A., Hinkley, S., et al. |
199 | RBR | Roberts, L.C., Jr., Mason, B.D., Aguilar, J., Carson, J., Crepp, J., Beichman, C., |
199 | RBR | Brenner, D., Burruss, R., Cady, E., Luszcz-Cook, S., Dekany, R., Hillenbrand, L., |
199 | RBR | et al. |
204 | STF | Struve, F.G.W. |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
18501+3322 | BU 293 | AC | 2007 | 5 | 247 | 47.1 | 3.63 | 13.00 | B7Ve | D | 185004.79+332145.6 |
18501+3322 | BU 293 | AC | 2014 | 7 | 247 | 46.4 | 3.63 | 13.00 | B7Ve | N | 185004.79+332145.6 |
18501+3322 | BU 293 | AC | 2015 | 8 | 247 | 46.8 | 3.63 | 13.00 | B7Ve | N | 185004.79+332145.6 |
Show | date | username | difficulty | sep | sep_sigma | pa | pa_sigma | delta_mag | # | notes |
Show | 14/06/27 | warin | very easy | 46.00 | 228.00 | 1.77 | 1 |
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 | Aa2 | Ab | B | C | D | E | |
Aa2 | pa=87.2° sep=0.00" | ||||||
Ab | pa=176.9° sep=0.54" | pa=177.0° sep=0.54" | |||||
B | pa=148.6° sep=45.69" | pa=148.6° sep=45.69" | pa=148.3° sep=45.22" | ||||
C | pa=243.3° sep=40.32" | pa=243.3° sep=40.32" | pa=244.0° sep=40.11" | pa=289.2° sep=63.36" | |||
D | pa=64.6° sep=54.96" | pa=64.6° sep=54.96" | pa=64.1° sep=55.17" | pa=22.5° sep=67.68" | pa=64.1° sep=95.27" | ||
E | pa=317.3° sep=67.07" | pa=317.3° sep=67.07" | pa=317.6° sep=67.49" | pa=321.9° sep=112.23" | pa=352.0° sep=68.09" | pa=285.1° sep=98.55" | |
F | pa=15.4° sep=84.72" | pa=15.4° sep=84.72" | pa=15.3° sep=85.24" | pa=359.4° sep=120.67" | pa=30.4° sep=115.71" | pa=335.0° sep=64.13" | pa=64.6° sep=75.33" |
Common name | Sheliak | Meaning | turtle (carapace) | Other names | SHILIAK, Shelyak | Coord arcsec 2000 | 185004.79+332145.6 | ||||
Mag | 3.63 | Spectral class | B7Ve (blue-white) | PmRA | 2.00 | PmDE | -4.0 | ||||
SAO | 67451 | HIP | 92420 | Tycho2 | 2642-02929-1 | HD | 174638 | ||||
HR | 7106 | GC | 25847 | BD | BD+33 3223 | Bayer | Beta Lyrae | ||||
Bayer name | Bet Lyr | Flamsteed | 10 Lyrae | Flamsteed name | 10 Lyr | FK5 | 705 |
Tycho2 | 2642-02929-1 | Pflag | RAmdeg | 282.51997683 | DEmdeg | 33.36266874 | |||||
PmRA | 1.0 | PmDE | -4.1 | E RAmdeg | 3 | E DEmdeg | 3 | ||||
E pmRA | 0.4 | E pmDE | 0.5 | EpRAm | 1990.77 | EpDEm | 1990.98 | ||||
Num | 26 | Q RAmdeg | 1.3 | Q DEmdeg | 1.0 | Q pmRA | 1.5 | ||||
Q pmDE | 0.8 | BTmag | 3.682 | E BTmag | 0.014 | VTmag | 3.631 | ||||
E VTmag | 0.009 | Prox | 457 | TYC | T | HIP | 92420 | ||||
CCDM | RAdeg | 282.51997417 | DEdeg | 33.36267833 | EpRA 1990 | 1.45 | |||||
EpDE 1990 | 1.59 | E RAdeg | 3.2 | E DEdeg | 3.2 | Posflg | |||||
Corr | 0.0 |
SAO | 67451 | DelFlag | RA1950 | PmRA1950 | 0 | ||||||
DE1950 | PmDE1950 | -0.002 | Vmag | 3.9 | SpType | +++ | |||||
Double code | Source | 74 | CatNum | 705 | DM | BD+33 3223 | |||||
DMcomp | BDsup | HD | 174638 | M HD | 0 | ||||||
GC | 25847 | RA1950rad | 4.92284191 | DE1950rad | 0.58125529 | PmRA2000 | 0.0003 | ||||
PmDE2000 | -0.002 |
Catalog | H | HIP | 92420 | Proxy | RAhms | 18 50 04.79 | |||||
DEdms | +33 21 45.6 | Vmag | 3.52 | VarFlag | 3 | R Vmag | T | ||||
RAdeg | 282.52 | DEdeg | 33.3627 | AstroRef | Plx | 3.7 | |||||
CCDM | 18501+3322 | N CCDM | I | Nsys | 1 | Ncomp | 1 | ||||
MultFlag | Source | Qual | S | M HIP | |||||||
Theta | Rho | HD | 174638 | BD | BD+33 3223 | ||||||
CD | CP | Dm number | +33 3223 | VIred | 0.05 | ||||||
SpType | A8:V comp SB | R SpType | Coord arcsec 2000 | 185004.79+332145.6 |
HIP | 92420 | Sn | 5 | So | 0 | Nc | 1 | ||||
RArad | 4.9309037606 | DErad | 0.5822885787 | Plx | 3.39 | PmRA | 1.9 | ||||
PmDE | -3.53 | E RArad | 0.12 | E DErad | 0.15 | E Plx | 0.17 | ||||
E pmRA | 0.12 | E pmDE | 0.2 | Hpmag | 3.5618 | E Hpmag | 0.031 | ||||
SHp | 0.393 | VA | 1 | BV | 0.003 | E BV | 0.037 | ||||
VI | 0.02 |
Ccdm | 18501+3322 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | -1.22 | DDEs | -14.3 | ||||||
R dRAs | 10 | Year | Theta | Rho | |||||||
Obs | 6 | Vmag | Sp | B8 | PmNote | * | |||||
PmRA | 0 | PmDE | -2 | Dm number | +33 3223 | Cat1 | BD | ||||
Name2 | +33 1690 | Cat2 | AGK2/3 | HD | 174638 | M HD | /9 | ||||
ADS BDS | A11745 | M ADS BDS | N | N IDS | IDS | 18464N3315A | |||||
HIC | 92420 |
Coord arcsec 2000 | 185004.79+332145.6 | Mag | 4 | Calc delta mag | 0.4 | Calc coord | yes |
Coord arcsec 2000 | 185004.79+332145.1 | Mag | 8.2 | Spectral class | B4V (blue-white) | Calc delta mag | 4.6 | ||||
Calc coord | yes |
Coord arcsec 2000 | 185006.69+332106.6 | Coord calc | 185006.69+332106.6 | Mag | 6.69 | Spectral class | B5V (blue-white) | ||||
PmRA | 2.00 | PmDE | -1.0 | SAO | 67453 | Tycho2 | 2642-02930-1 | ||||
HD | 174664 | GC | 25848 | DM | BD+33 3224 | Flamsteed | 10 Lyrae | ||||
Flamsteed name | 10 Lyr | Calc delta mag | 3.09 |
Tycho2 | 2642-02930-1 | Pflag | RAmdeg | 282.52790276 | DEmdeg | 33.35184777 | |||||
PmRA | -0.6 | PmDE | -0.8 | E RAmdeg | 4 | E DEmdeg | 4 | ||||
E pmRA | 1.2 | E pmDE | 1.3 | EpRAm | 1991.24 | EpDEm | 1991.32 | ||||
Num | 11 | Q RAmdeg | 1.2 | Q DEmdeg | 1.0 | Q pmRA | 1.3 | ||||
Q pmDE | 1.0 | BTmag | 6.657 | E BTmag | 0.014 | VTmag | 6.694 | ||||
E VTmag | 0.010 | Prox | 457 | TYC | T | HIP | |||||
CCDM | RAdeg | 282.52790444 | DEdeg | 33.35184972 | EpRA 1990 | 1.42 | |||||
EpDE 1990 | 1.49 | E RAdeg | 3.8 | E DEdeg | 3.8 | Posflg | |||||
Corr | -0.1 |
SAO | 67453 | DelFlag | RA1950 | PmRA1950 | -0.0003 | ||||||
DE1950 | PmDE1950 | -0.004 | Vmag | 7.8 | SpType | B3 | |||||
Double code | Source | 70 | CatNum | 25848 | DM | BD+33 3224 | |||||
DMcomp | BDsup | HD | 174664 | M HD | 0 | ||||||
GC | 25848 | RA1950rad | 4.92297748 | DE1950rad | 0.58106509 | PmRA2000 | 0 | ||||
PmDE2000 | -0.004 |
Ccdm | 18501+3322 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | STF4039 | DRAs | 0.63 | DDEs | -53.3 | |||||
R dRAs | 10 | Year | 1835 | Theta | 149 | Rho | 45.7 | ||||
Obs | 19 | Vmag | 8.6 | Sp | B3 | PmNote | * | ||||
PmRA | -17 | PmDE | -4 | Dm number | +33 3224 | Cat1 | BD | ||||
Name2 | +33 1691 | Cat2 | AGK2/3 | HD | 174664 | M HD | |||||
ADS BDS | A11745 | M ADS BDS | N IDS | IDS | 18464N3315B | ||||||
HIC |
Coord arcsec 2000 | 185001.92+332127.5 | Mag | 13 | PmRA | -2.00 | PmDE | -2.0 | ||||
Calc delta mag | 9.4 | Calc coord | yes |
Ccdm | 18501+3322 | RComp | Comp | C | Note1 | ||||||
Note2 | Discov num | BU 293 | DRAs | DDEs | |||||||
R dRAs | Year | 1878 | Theta | 248 | Rho | 46.6 | |||||
Obs | 3 | Vmag | 13.0 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A11745 | M ADS BDS | N IDS | IDS | 18464N3315C | ||||||
HIC |
Coord arcsec 2000 | 185008.75+332209.1 | Mag | 14.3 | PmRA | 0.00 | PmDE | -18.0 | ||||
Calc delta mag | 10.7 | Calc coord | yes |
Ccdm | 18501+3322 | RComp | Comp | D | Note1 | ||||||
Note2 | Discov num | BU 293 | DRAs | DDEs | |||||||
R dRAs | Year | 1898 | Theta | 068 | Rho | 64.3 | |||||
Obs | 1 | Vmag | 14.3 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A11745 | M ADS BDS | N IDS | IDS | 18464N3315D | ||||||
HIC |
Coord arcsec 2000 | 185001.16+332234.9 | Coord calc | 185001.16+332234.9 | Mag | 10.14 | Spectral class | F2V (yellow-white) | ||||
PmRA | 2.00 | PmDE | 1.0 | Calc delta mag | 6.54 |
Ccdm | 18501+3322 | RComp | Comp | E | Note1 | ||||||
Note2 | Discov num | BU 293 | DRAs | -4.96 | DDEs | 34.8 | |||||
R dRAs | 10 | Year | 1879 | Theta | 318 | Rho | 66.9 | ||||
Obs | 7 | Vmag | 9.9 | Sp | PmNote | * | |||||
PmRA | -25 | PmDE | 3 | Dm number | +33 3222 | Cat1 | BD | ||||
Name2 | +33 1688 | Cat2 | AGK2/3 | HD | M HD | ||||||
ADS BDS | A11745 | M ADS BDS | N IDS | IDS | 18464N3315E | ||||||
HIC |
Coord arcsec 2000 | 185006.59+332307.3 | Mag | 10.62 | PmRA | 1.00 | PmDE | -4.0 | ||||
Calc delta mag | 7.02 | Calc coord | yes |
Ccdm | 18501+3322 | RComp | Comp | F | Note1 | ||||||
Note2 | Discov num | BU 293 | DRAs | 0.86 | DDEs | 66.8 | |||||
R dRAs | 10 | Year | 1879 | Theta | 019 | Rho | 85.8 | ||||
Obs | 7 | Vmag | 9.9 | Sp | PmNote | * | |||||
PmRA | -17 | PmDE | -9 | Dm number | +33 3225 | Cat1 | BD | ||||
Name2 | +33 1692 | Cat2 | AGK2/3 | HD | M HD | ||||||
ADS BDS | A11745 | M ADS BDS | N IDS | IDS | 18464N3315F | ||||||
HIC |