Exposure
- ID
- GRAVI.2024-04-24T00:31:10.030_2
- Header ID
- GRAVI.2024-04-24T00:31:10.030
- Date updated
- 2024-04-24 00:40:43 UTC+0000
- Release date
- 2025-04-24 00:40:42 UTC+0000
- UTC Start
- 2024-04-24 00:31:10.030
- UTC End
- 2024-04-24 00:35:10.030
- MJD Start
- 60424.02164387
- MJD End
- 60424.0244216478
- Exposure time (s)
- 240.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00521
- Ambient temperature (°C)
- 17.8
- Seeing (arcsec)
- 0.65
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 | 53.1340 | 53.3320 | 34.1000 | 34.3000 |
| U1-U3 | 98.1100 | 98.4520 | 39.8000 | 39.9000 |
| U1-U4 | 130.2020 | 130.2080 | 63.1520 | 63.0090 |
| U2-U3 | 45.5420 | 45.6730 | 46.5000 | 46.5000 |
| U2-U4 | 87.6120 | 87.2710 | 80.2600 | 80.0770 |
| U3-U4 | 55.8460 | 55.3420 | 107.2390 | 107.2550 |
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 | 60424.02164387 |
| 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 | 53.134 |
| HIERARCH ESO ISS PBL12 END | 53.332 |
| HIERARCH ESO ISS PBLA12 START | 34.1 |
| HIERARCH ESO ISS PBLA12 END | 34.3 |
| HIERARCH ESO ISS PBL13 START | 98.11 |
| HIERARCH ESO ISS PBL13 END | 98.452 |
| HIERARCH ESO ISS PBLA13 START | 39.8 |
| HIERARCH ESO ISS PBLA13 END | 39.9 |
| HIERARCH ESO ISS PBL14 START | 130.202 |
| HIERARCH ESO ISS PBL14 END | 130.208 |
| HIERARCH ESO ISS PBLA14 START | 63.152 |
| HIERARCH ESO ISS PBLA14 END | 63.009 |
| HIERARCH ESO ISS PBL23 START | 45.542 |
| HIERARCH ESO ISS PBL23 END | 45.673 |
| HIERARCH ESO ISS PBLA23 START | 46.5 |
| HIERARCH ESO ISS PBLA23 END | 46.5 |
| HIERARCH ESO ISS PBL24 START | 87.612 |
| HIERARCH ESO ISS PBL24 END | 87.271 |
| HIERARCH ESO ISS PBLA24 START | 80.26 |
| HIERARCH ESO ISS PBLA24 END | 80.077 |
| HIERARCH ESO ISS PBL34 START | 55.846 |
| HIERARCH ESO ISS PBL34 END | 55.342 |
| HIERARCH ESO ISS PBLA34 START | 107.239 |
| HIERARCH ESO ISS PBLA34 END | 107.255 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004715 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005705 |
| HIERARCH ESO ISS AMBI TEMP | 17.8 |
| HIERARCH ESO ISS AMBI FWHM START | 0.65 |
| HIERARCH ESO ISS AMBI FWHM END | 0.65 |
| HIERARCH ESO FT ROBJ NAME | star |
| HIERARCH ESO FT ROBJ ALPHA | 085213.795 |
| HIERARCH ESO FT ROBJ DELTA | 075333.828 |