HAT-P-4
AXA Light Curves & Finder Charts & All-Sky Photometry Results
Links internal to this web page:
    Comments
    Basic data
    Table of AXA (amateur) transit measurements
    Table of professional transit measurements
    Transit LCs
    OOT LCs
    Finder images

Comments

    This is a difficult object to observe because depth is small (9 mmag) and length is long (4.2 hr).

Basic data

    RA = 15:19:57.9, Decl = +36:13:47
    Season = May 17
    B = 11.78, V = 11.21, Rc = 10.88, Ic = 10.54, B-V = 0.57, J = 10.100, K = 9.770
    HJDo = 4245.8154
    P = 3.056536 day
    Depth = 9.2 ± 0.5 mmag (I-band)
    Length = 4.21 ± 0.02 hr

Table of amateur observations

#
 Date [yyyy.mm.dd]
 Filter
 Observer
 Depth [mmag]
 Length [hr]
 UT mid
 JD mid
 HJD mid
Ephem HJD
 dt [min]






















1
 2007.10.06
 R
 Vanmunster
 13.0 ± 2.5 n/a
 19.195 ± 0.114 4380.2998
 4380.2964
4380.3030
 -9.5 ± 6.8


Table of professional observations

#
 Date
Filter
 Senior Author
 Telescope
 Depth [mmag]
 Length [hr]
 HJD
 dt [min]
2







1








Light Curves




Out-of-Transit (OOT) Light Curves


Finder Charts

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WebMaster: Bruce L. Gary.  Nothing on this web page is copyrighted. This site opened:  October 03, 2007.  Last Update:  February 15, 2008