Exposure
- ID
- GRAVI.2023-07-05T05:37:58.636_2
- Header ID
- GRAVI.2023-07-05T05:37:58.636
- Date updated
- 2023-07-05 05:55:28 UTC+0000
- Release date
- 2024-07-05 05:55:28 UTC+0000
- UTC Start
- 2023-07-05 05:37:58.636
- UTC End
- 2023-07-05 05:43:58.636
- MJD Start
- 60130.23470643
- MJD End
- 60130.2388730967
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0042185
- Ambient temperature (°C)
- 13.31
- Seeing (arcsec)
- 0.855
Observation
- ID
- 56080
- Category
- science
- Program ID
- 111.24H1.003
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - PROBING EVENT HORIZON SCALE PHYSICS WITH STARS AND FLARES
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ GENZEL/ OTT/ STRAUBMEIER/ BRANDNER/ ROUSSELET-PERRAUT/ PERRIN/ GARCIA/ ECKART/ DE ZEEUW/ WIDMANN/ PAUMARD/ HORROBIN/ VINCENT/ DRESCHER/ BOURDAROT/ CAO/ LUTZ/ STURM/ RIBEIRO
Target
- ID
- 41180
- Name
- IRS16C
- RA
- 266.417108333333
- DEC
- -29.0076453055556
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 | 53.8340 | 53.5690 | 36.6000 | 37.0000 |
| U1-U3 | 96.2400 | 95.6300 | 42.9000 | 43.3000 |
| U1-U4 | 116.5740 | 115.1620 | 72.6990 | 73.2750 |
| U2-U3 | 43.1380 | 42.7880 | 50.8000 | 51.2000 |
| U2-U4 | 79.6500 | 78.6210 | 96.1540 | 97.0300 |
| U3-U4 | 58.1110 | 57.6550 | 128.0380 | 129.1890 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60130.23470643 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416727 |
| DEC | -29.00739 |
| 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 | 389.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 53.834 |
| HIERARCH ESO ISS PBL12 END | 53.569 |
| HIERARCH ESO ISS PBLA12 START | 36.6 |
| HIERARCH ESO ISS PBLA12 END | 37.0 |
| HIERARCH ESO ISS PBL13 START | 96.24 |
| HIERARCH ESO ISS PBL13 END | 95.63 |
| HIERARCH ESO ISS PBLA13 START | 42.9 |
| HIERARCH ESO ISS PBLA13 END | 43.3 |
| HIERARCH ESO ISS PBL14 START | 116.574 |
| HIERARCH ESO ISS PBL14 END | 115.162 |
| HIERARCH ESO ISS PBLA14 START | 72.699 |
| HIERARCH ESO ISS PBLA14 END | 73.275 |
| HIERARCH ESO ISS PBL23 START | 43.138 |
| HIERARCH ESO ISS PBL23 END | 42.788 |
| HIERARCH ESO ISS PBLA23 START | 50.8 |
| HIERARCH ESO ISS PBLA23 END | 51.2 |
| HIERARCH ESO ISS PBL24 START | 79.65 |
| HIERARCH ESO ISS PBL24 END | 78.621 |
| HIERARCH ESO ISS PBLA24 START | 96.154 |
| HIERARCH ESO ISS PBLA24 END | 97.03 |
| HIERARCH ESO ISS PBL34 START | 58.111 |
| HIERARCH ESO ISS PBL34 END | 57.655 |
| HIERARCH ESO ISS PBLA34 START | 128.038 |
| HIERARCH ESO ISS PBLA34 END | 129.189 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004624 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003813 |
| HIERARCH ESO ISS AMBI TEMP | 13.31 |
| HIERARCH ESO ISS AMBI FWHM START | 0.79 |
| HIERARCH ESO ISS AMBI FWHM END | 0.92 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |