A description of the Hipparcos and Tycho Epoch Photometries is included in this ReadMe; more complete descriptions can be found in the documentation included in the Hipparcos CD-ROMs, in section 2.5 for the Hipparcos Photometry Annexes, and section 2.6 for the Tycho Photometry annexes.

Hipparcos Epoch Photometry for HIP 20390

(ESA Photometry)
 20390| | 1.159| 90| 84      9.9817|0.0074| 9.87|10.12             |         |U|2|B 

JD-2440000| Hpmag |s.e. |Tflg
7914.34139| 9.9436|0.018|  0
7914.35571| 9.9440|0.019|  0
7914.43027| 9.9284|0.019|  0
7914.44459| 9.9449|0.019|  0
7931.31418| 9.9826|0.018|  0
7931.32852|10.0188|0.020|  0
7931.40308|10.0272|0.020|  0
7931.41739|10.0258|0.021|  0
7931.49194|10.0338|0.021|  0
7931.50626|10.0529|0.021|  0
7959.47680|10.0140|0.019|  0
7959.49112| 9.9505|0.018|  0
8091.28776| 9.9380|0.023|  0
8091.36234| 9.9686|0.026|  1
8091.37666| 9.9239|0.023|  0
8102.38455| 9.9985|0.019|  0
8102.39885| 9.9325|0.019| 16
8102.47343| 9.9682|0.019|  8
8102.48775| 9.9602|0.022|264
8136.59485| 9.9515|0.020|  0
8136.60917| 9.9667|0.020|  0
8136.68376| 9.9706|0.019|  0
8136.69806| 9.9408|0.016|  1
8174.18093| 9.9912|0.020|  0
8174.19525| 9.9969|0.019|  0
8174.26982| 9.9816|0.020|  0
8174.28414|10.0013|0.026|  2
8174.35872|10.0151|0.024|  0
8174.37304|10.0096|0.023|  0
8174.62543|10.0126|0.023|  0
8174.63973| 9.9786|0.020|  0
8174.71432| 9.9475|0.018|  0
8174.72863| 9.8583|0.019| 16
8175.06988| 9.9935|0.019|  0
8175.15878| 9.9818|0.019|  0
8175.17310| 9.9843|0.019|  0
8175.24768| 9.9772|0.019|  0
8175.26200| 9.9596|0.020|  0
8175.51436| 9.8833|0.019|  0
8175.52868| 9.8668|0.019|  0
8175.60326| 9.8294|0.019|  0
8175.61759| 9.8001|0.024|  2
8176.95100| 9.8823|0.020|  0
8177.02559| 9.9583|0.019|  0
8177.03990| 9.8811|0.019|  0
8177.29226| 9.9285|0.019|  0
8177.30658| 9.9468|0.025|  0
8177.73674| 9.9721|0.019|  0
8177.75106| 9.9601|0.019|  0
8177.82563| 9.9314|0.020|  0
8177.83995| 9.9320|0.018|  0
8177.91453| 9.9597|0.019|  0
8177.92885| 9.9095|0.023|  2
8178.18122| 9.9458|0.020|  0
8178.19552| 9.9599|0.020|  0
8178.27011| 9.9606|0.021|  0
8178.28444| 9.9586|0.018|  0
8178.35898| 9.9456|0.015|  0
8178.37333| 9.9403|0.025|  0
8306.16312| 9.8928|0.022|  2
8336.19054|10.0012|0.019|  0
8336.20482|10.0009|0.019|  0
8336.27941|10.0018|0.019|  0
8336.29370| 9.9811|0.020|  0
8336.36829| 9.9843|0.020|  0
8336.38261| 9.9733|0.019|  0
8350.94266|10.0227|0.019|  0
8350.95698|10.0156|0.019|  0
8351.03152|10.0206|0.018|  8
8351.04584|10.0225|0.021|  8
8351.20929|10.0364|0.020|  0
8351.22361|10.0510|0.022|  0
8482.39709| 9.9898|0.022|  0
8482.41139|10.0060|0.019|  0
8482.57488| 9.9990|0.021|  0
8509.58922| 9.6863|0.059|  2
8509.60357|10.0963|0.019|  0
8509.67812|10.1044|0.018|  0
8509.69249|10.0805|0.019|  0
8653.08216|10.1088|0.019|  0
8653.15673|10.1152|0.019|  0
8653.17103|10.1495|0.019|  0
8653.24562|10.1303|0.019|  0
8675.10338|10.1487|0.022|  1
8675.11768|10.1273|0.020|  0
8699.18111|10.0395|0.019|  0
8699.19543|10.0354|0.025|  0
8699.27002|10.1037|0.019|  0
8699.28435|10.0639|0.021|  0
8699.35888|10.0925|0.023|  0