Database statistics - 13 May 2001

• Total observations... 1379393
• Number of objects... 976
• Annual record files... 12479
• Stars with 10,000 or more observations... 31
• Objects with less than 1 each... 0

• Observers 1890 to the present... 940
  Text files in surname or letter code order.

• Annual observer totals text files...
  1990 - 1991 - 1992 - 1993 - 1994 - 1995 - 1996 - 1997 - 1998 - 1999 - 200

• Abbreviated text list of all objects. Listing:- types, extreme observed max/min, total observations, and number of observed years.

• A similar list in RA order with right ascension and declination columns instead of max/min.

• TAV & TASV designations in the database.

• Observations, objects, and observers, per year... summary table - histogram

• List of contributors of electronic data.

• Changing Emphasis A Comparison of VSS records, 1925, 1975, 1997.

• The database reaches One Million!

---

---

Top of page | Help | Articles | Objects | Lightcurves | charts | Home