| Employer Identification Number (EIN) |
04-2164402 |
| Name of Organization |
American Association Of Variable Star Observers |
| Address |
185 Alewife Brook Pkwy Ste 410, Cambridge, MA 02138-1104 |
| Previous Addresses |
49 Bay State Rd, Cambridge, MA 02138-1203 (2007 - 2020)
25 Birch St, Cambridge, MA 02138-1205 (2005) |
| Subsection(s) / Classification |
Scientific Organization |
| Affiliation |
Independent |
| Ruling Date |
02/1954 |
| Deductibility |
Contributions are deductible |
| Foundation |
Organization which receives a substantial part of its support from a governmental unit or the general public |
| Activities |
Other scientific research activities |
| Organization |
Corporation |
| Exempt Organization Status |
Unconditional Exemption |
| Tax Period |
09/2024 |
| Asset |
$10,000,000 to $49,999,999 |
| Income |
$5,000,000 to $9,999,999 |
| Filing Requirement |
990 (all other) or 990EZ return |
| Accounting Period |
September (09) |
| Asset Amount |
$19,079,368 |
| Income Amount |
$7,181,278 |
| Form 990 Revenue Amount |
$1,074,729 |
| National Taxonomy of Exempt Entities (NTEE) |
Science and Technology Research Institutes, Services: Astronomy |