A.19 Variable Stars

Eclipsing-Algol Type

Mag Period Mid-Eclipse

Asc Dec Max-Min (days) (JD)

Beta.Perseus 03h08.2m +40°57' 2.12-3.39 2.8673043 2445641.5135 (Algol)

Epsilon.Auriga 05h02.0m +43°49' 2.92-3.83 9892.0 2435629.0

Lambda.Taurus 04h00.7m +12°29' 3.37-3.91 3.9529478 2421506.8506

Zeta.Phoenix 01h08.4m -55°15' 3.91-4.42 1.6697671 2441643.6890

Eclipsing-Beta.Lyra Type

Mag Period Mid-Eclipse

Asc Dec Max-Min (days) (JD)

Beta.Lyra 18h50.1m +33°22' 3.25-4.36 12.913834 2408247.950

Pulsating-Cepheid Type

Mag Period Brightest

Asc Dec Max-Min (days) (JD)

ZZ.Carina 09h45.2m -62°30' 3.28-4.18 35.53584 2440736.9

Beta.Dorado 05h33.6m -62°29' 3.46-4.08 9.84260 2440905.3

Delta.Cepheus 22h29.2m +58°25' 3.48-4.37 5.366341 2436075.445

Eta.Aquila 19h52.5m +01°00' 3.48-4.39 7.176641 2436084.656

Zeta.Gemini 07h04.1m +20°34' 3.62-4.18 10.150730 2443805.927

Pulsating-Mira Type

Mag Period Brightest

Asc Dec Max-Min (days) (JD)

Omicron.Cetus 02h19.4m -02°59' 2.00-10.10 331.96 2444839.0 (Mira)

Chi.Cygnus 19h50.6m +32°55' 3.30-14.20 408.05 2442140.0

Pulsating-Semi-Regular

Mag Period

Asc Dec Max-Min (days)

Alpha.Orion 05h55.2m +07°24' 0.00-1.30 2335.0

L.Puppis 07h13.5m -44°38' 2.60-6.20 140.6

Alpha1.Hercules 17h14.6m +14°23' 2.74-4.00 100.0

Eta.Gemini 06h14.9m +22°30' 3.15-3.90 232.9

Rho.Perseus 03h05.2m +38°50' 3.30-4.00 50.0

Mu.Cepheus 21h43.5m +58°47' 3.43-5.10 730.0

Pulsating-Slow Irregular

Mag

Asc Dec Max-Min

Epsilon.Pegasus 21h44.2m +09°53' 0.70-3.50

Beta.Pegasus 23h03.8m +28°05' 2.31-2.74

See the Variables.nb notebook.