Exposure
- ID
- GRAVI.2024-04-24T00:49:58.078_2
- Header ID
- GRAVI.2024-04-24T00:49:58.078
- Date updated
- 2024-04-24 01:00:44 UTC+0000
- Release date
- 2025-04-24 01:00:44 UTC+0000
- UTC Start
- 2024-04-24 00:49:58.078
- UTC End
- 2024-04-24 00:53:58.078
- MJD Start
- 60424.03469998
- MJD End
- 60424.0374777578
- Exposure time (s)
- 240.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005534
- Ambient temperature (°C)
- 17.94
- Seeing (arcsec)
- 0.69
Observation
- ID
- 58929
- Category
- science
- Program ID
- 113.26T9.002
- Program Title
- FIRST SYSTEMATIC SEARCH FOR PARSEC-SCALE SUPERMASSIVE BLACK HOLE BINARIES WITH VLTI/GRAVITY
- Program Type
- Normal
- PI / COI
- SHANGGUAN / SHIMIZU / GENZEL / DAVIES / STURM / LUTZ / EISENHAUER / TACCONI / FORSTER SCHREIBER / DEXTER / SANTOS / CAO / HOENIG / PERRIN / PETROV / PAUMARD / CLÉNET / DE ZEEUW / LEFTLEY / SYKES / LI
Target
- ID
- 43622
- Name
- star
- RA
- 133.057479166667
- DEC
- 7.89273
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 53.9710 | 54.1460 | 34.8000 | 34.9000 |
| U1-U3 | 99.5170 | 99.7970 | 40.2000 | 40.2000 |
| U1-U4 | 129.9650 | 129.8180 | 62.4600 | 62.2830 |
| U2-U3 | 46.0570 | 46.1510 | 46.4000 | 46.4000 |
| U2-U4 | 85.8940 | 85.4310 | 79.4180 | 79.2160 |
| U3-U4 | 53.5010 | 52.9280 | 107.3660 | 107.4150 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.26T9.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60424.03469998 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | MS 08495+0805 |
| HIERARCH ESO INS SOBJ NAME | MS_08495+0805 |
| RA | 133.060026 |
| DEC | 7.89277 |
| HIERARCH ESO INS SPEC RES | LOW |
| HIERARCH ESO INS POLA MODE | SPLIT |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 256.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 8 |
| HIERARCH ESO ISS PBL12 START | 53.971 |
| HIERARCH ESO ISS PBL12 END | 54.146 |
| HIERARCH ESO ISS PBLA12 START | 34.8 |
| HIERARCH ESO ISS PBLA12 END | 34.9 |
| HIERARCH ESO ISS PBL13 START | 99.517 |
| HIERARCH ESO ISS PBL13 END | 99.797 |
| HIERARCH ESO ISS PBLA13 START | 40.2 |
| HIERARCH ESO ISS PBLA13 END | 40.2 |
| HIERARCH ESO ISS PBL14 START | 129.965 |
| HIERARCH ESO ISS PBL14 END | 129.818 |
| HIERARCH ESO ISS PBLA14 START | 62.46 |
| HIERARCH ESO ISS PBLA14 END | 62.283 |
| HIERARCH ESO ISS PBL23 START | 46.057 |
| HIERARCH ESO ISS PBL23 END | 46.151 |
| HIERARCH ESO ISS PBLA23 START | 46.4 |
| HIERARCH ESO ISS PBLA23 END | 46.4 |
| HIERARCH ESO ISS PBL24 START | 85.894 |
| HIERARCH ESO ISS PBL24 END | 85.431 |
| HIERARCH ESO ISS PBLA24 START | 79.418 |
| HIERARCH ESO ISS PBLA24 END | 79.216 |
| HIERARCH ESO ISS PBL34 START | 53.501 |
| HIERARCH ESO ISS PBL34 END | 52.928 |
| HIERARCH ESO ISS PBLA34 START | 107.366 |
| HIERARCH ESO ISS PBLA34 END | 107.415 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005534 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005534 |
| HIERARCH ESO ISS AMBI TEMP | 17.94 |
| HIERARCH ESO ISS AMBI FWHM START | 0.69 |
| HIERARCH ESO ISS AMBI FWHM END | 0.69 |
| HIERARCH ESO FT ROBJ NAME | star |
| HIERARCH ESO FT ROBJ ALPHA | 085213.795 |
| HIERARCH ESO FT ROBJ DELTA | 075333.828 |