Exposure
- ID
- GRAVI.2023-06-04T07:43:51.248_2
- Header ID
- GRAVI.2023-06-04T07:43:51.248
- Date updated
- 2023-06-04 08:00:35 UTC+0000
- Release date
- 2024-06-04 08:00:35 UTC+0000
- UTC Start
- 2023-06-04 07:43:51.248
- UTC End
- 2023-06-04 07:49:51.248
- MJD Start
- 60099.32212093
- MJD End
- 60099.3262875967
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0109995
- Ambient temperature (°C)
- 13.56
- Seeing (arcsec)
- 0.35
Observation
- ID
- 55616
- Category
- science
- Program ID
- 111.24H1.002
- 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 | 53.6750 | 53.4020 | 36.9000 | 37.3000 |
| U1-U3 | 95.8750 | 95.2450 | 43.2000 | 43.6000 |
| U1-U4 | 115.7260 | 114.2720 | 73.0490 | 73.6230 |
| U2-U3 | 42.9280 | 42.5660 | 51.0000 | 51.4000 |
| U2-U4 | 79.0320 | 77.9750 | 96.6830 | 97.5700 |
| U3-U4 | 57.8360 | 57.3710 | 128.7330 | 129.9020 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60099.32212093 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416752 |
| DEC | -29.00711 |
| 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 | 53.675 |
| HIERARCH ESO ISS PBL12 END | 53.402 |
| HIERARCH ESO ISS PBLA12 START | 36.9 |
| HIERARCH ESO ISS PBLA12 END | 37.3 |
| HIERARCH ESO ISS PBL13 START | 95.875 |
| HIERARCH ESO ISS PBL13 END | 95.245 |
| HIERARCH ESO ISS PBLA13 START | 43.2 |
| HIERARCH ESO ISS PBLA13 END | 43.6 |
| HIERARCH ESO ISS PBL14 START | 115.726 |
| HIERARCH ESO ISS PBL14 END | 114.272 |
| HIERARCH ESO ISS PBLA14 START | 73.049 |
| HIERARCH ESO ISS PBLA14 END | 73.623 |
| HIERARCH ESO ISS PBL23 START | 42.928 |
| HIERARCH ESO ISS PBL23 END | 42.566 |
| HIERARCH ESO ISS PBLA23 START | 51.0 |
| HIERARCH ESO ISS PBLA23 END | 51.4 |
| HIERARCH ESO ISS PBL24 START | 79.032 |
| HIERARCH ESO ISS PBL24 END | 77.975 |
| HIERARCH ESO ISS PBLA24 START | 96.683 |
| HIERARCH ESO ISS PBLA24 END | 97.57 |
| HIERARCH ESO ISS PBL34 START | 57.836 |
| HIERARCH ESO ISS PBL34 END | 57.371 |
| HIERARCH ESO ISS PBLA34 START | 128.733 |
| HIERARCH ESO ISS PBLA34 END | 129.902 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.010896 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.011103 |
| HIERARCH ESO ISS AMBI TEMP | 13.56 |
| HIERARCH ESO ISS AMBI FWHM START | 0.35 |
| HIERARCH ESO ISS AMBI FWHM END | 0.35 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |