AAVSO Home



Current Time: 29 Mar 2025 17:41:15 UTC
Welcome, Guest. You are not logged in.
Log in
    Revise    New Search
Latest Details
Log in to retrieve additional aliases from SIMBAD.
Name
  eps 1 Lyr B  
AAVSO UID
000-BCD-100 (No observations)  
Constellation
Lyra Sequence
J2000.0
18 44 20.31 +39 40 14.9  (281.08463 +39.67081) Search nearby
B1950.0 18 42 40.95 +39 37 05.8
Galactic coord. 68.849 +18.198
Other names

(Internal only)
BD+39 3509B CMC15 J184420.4+394013 GSC 03122-03438
HD 173582 HIP 91919 IRAS F18426+3937
SAO 67309 TIC 1715686796 TYC 3122-3438-1
UCAC4 649-062696 WDS J18443+3940B  
(Not logged in)  Add name
Variability type
GDOR
Spectral type F0V
Mag. range
6.00 V (0.032)TESS
Discoverer I. Peretto, S. Lora, G. Peretto, G. Furlato, M. Barbieri (Marana Space Explorer Center)
Epoch
11 Aug 2019 (HJD 2458707.165) Ephemeris
Outburst --
Period 0.415 d  (10.0 h)
Rise/eclipse dur. --
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 Peretto, Ivo Combined amplitude of the visual binary eps 1 Lyr A and B given in the table. A has V= 5.05 and is 2.3" away. AB combined magnitude is V= 4.67. Other period: 0.468 d.
(Not logged in)  Add remark
References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 Ricker, G. R.; et al., 2014, Transiting Exoplanet Survey Satellite (TESS) 2014SPIE.9143E..20R
2 Perryman, M. A. C.; et al., 1997, The HIPPARCOS and TYCHO catalogues 1997HIP...C......0E
3 Abt, H. A.; Morrel, N. I., 1995, The Relation between Rotational Velocities
and Spectral Peculiarities among A-Type Stars
1995ApJS...99..135A
External Links
Links open in a new window. Not all links may be valid for this particular target.
Location    Go   
Select a Location for more details.
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Image not downloaded. Click Retrieve Image to download and view. Retrieve image
Supporting Documents
Click document name to open or save. Browser plug-in or other software may be required for viewing.
4 Phase Plot second frequency Peretto, Ivo 2022-05-18 20:12 UTC
3 Phase Plot Peretto, Ivo 2022-05-18 20:11 UTC
2 JD Plot TESS-SPOC total Peretto, Ivo 2022-05-18 20:10 UTC
1 JD Plot TESS-SPOC first session Peretto, Ivo 2022-05-18 20:10 UTC
(Not logged in)  Add document
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
1 Peretto, Ivo 2022-05-24 18:35 UTC Spectral type from 1995ApJS...99..135A. Magnitudes derived from the GCPD, BSC, Hipparcos and Gaia EDR3.