The Ritter Observatory Public Archive of Spectra of β Geminorum

Sample spectrum of the K-type giant β Geminorum in the Hα region.

File names are in the form: observation date followed by serial number, followed by file extension .fits, as in YYYYMMDD.NNN.fits

A log of Ritter observations of β Gem through March 2007 is to be found here. Additional information about each exposure is included.

Right click on link to download desired file.

1997: 970213.023.fits 970225.016.fits 970226.016.fits 970311.022.fits 970312.014.fits 970320.017.fits 970403.018.fits

1998: 980201.019.fits 980203.028.fits 980207.016.fits 980208.024.fits 980209.022.fits 980215.022.fits 980329.012.fits 980331.016.fits 980407.014.fits 980421.014.fits 980424.012.fits 980428.012.fits

1998 - 1999: 981209.024.fits 981211.030.fits 981212.050.fits 981215.050.fits 990205.019.fits 990211.022.fits 990215.024.fits 990216.018.fits 990222.026.fits 990302.033.fits 990313.020.fits 990315.020.fits 990316.020.fits 990317.020.fits 990320.035.fits 990324.032.fits 990327.016.fits

2000: 20000125.034.fits 20000128.026.fits 20000209.016.fits 20000305.018.fits 20000306.022.fits

2001: 20010126.030.fits 20010219.021.fits 20010221.022.fits 20010222.019.fits 20010224.022.fits 20010302.022.fits 20010304.017.fits 20010312.024.fits 20010319.028.fits 20010328.012.fits 20010402.012.fits 20010404.012.fits 20010405.014.fits 20010409.012.fits 20010428.012.fits 20010429.012.fits 20010429.013.fits 20010429.015.fits 20010430.012.fits 20010501.012.fits 20010501.013.fits

2002: 20020203.024.fits 20020206.033.fits 20020208.026.fits 20020209.032.fits 20020214.028.fits 20020218.031.fits 20020223.025.fits 20020302.026.fits 20020311.026.fits 20020328.014.fits 20020331.022.fits

Spectra taken in 2003 and later were affected by a wavelength calibration error, which is being corrected as the spectra are reprocessed.

2003:

2004:

2005: