Exposure
- ID
- GRAVI.2023-07-05T03:03:13.222_2
- Header ID
- GRAVI.2023-07-05T03:03:13.222
- Date updated
- 2023-07-05 03:15:43 UTC+0000
- Release date
- 2024-07-05 03:15:43 UTC+0000
- UTC Start
- 2023-07-05 03:03:13.222
- UTC End
- 2023-07-05 03:09:13.222
- MJD Start
- 60130.12723636
- MJD End
- 60130.1314030267
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003088
- Ambient temperature (°C)
- 13.23
- Seeing (arcsec)
- 1.105
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 | 56.5530 | 56.5420 | 22.2000 | 23.0000 |
| U1-U3 | 102.4340 | 102.4290 | 28.5000 | 29.3000 |
| U1-U4 | 129.8620 | 130.0310 | 56.2580 | 57.0950 |
| U2-U3 | 46.6300 | 46.6400 | 36.1000 | 36.9000 |
| U2-U4 | 88.8240 | 89.0490 | 77.1320 | 77.9520 |
| U3-U4 | 61.7650 | 61.9700 | 106.8410 | 107.5690 |
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 | 60130.12723636 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416855 |
| DEC | -29.0073 |
| 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 | 56.553 |
| HIERARCH ESO ISS PBL12 END | 56.542 |
| HIERARCH ESO ISS PBLA12 START | 22.2 |
| HIERARCH ESO ISS PBLA12 END | 23.0 |
| HIERARCH ESO ISS PBL13 START | 102.434 |
| HIERARCH ESO ISS PBL13 END | 102.429 |
| HIERARCH ESO ISS PBLA13 START | 28.5 |
| HIERARCH ESO ISS PBLA13 END | 29.3 |
| HIERARCH ESO ISS PBL14 START | 129.862 |
| HIERARCH ESO ISS PBL14 END | 130.031 |
| HIERARCH ESO ISS PBLA14 START | 56.258 |
| HIERARCH ESO ISS PBLA14 END | 57.095 |
| HIERARCH ESO ISS PBL23 START | 46.63 |
| HIERARCH ESO ISS PBL23 END | 46.64 |
| HIERARCH ESO ISS PBLA23 START | 36.1 |
| HIERARCH ESO ISS PBLA23 END | 36.9 |
| HIERARCH ESO ISS PBL24 START | 88.824 |
| HIERARCH ESO ISS PBL24 END | 89.049 |
| HIERARCH ESO ISS PBLA24 START | 77.132 |
| HIERARCH ESO ISS PBLA24 END | 77.952 |
| HIERARCH ESO ISS PBL34 START | 61.765 |
| HIERARCH ESO ISS PBL34 END | 61.97 |
| HIERARCH ESO ISS PBLA34 START | 106.841 |
| HIERARCH ESO ISS PBLA34 END | 107.569 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003153 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003023 |
| HIERARCH ESO ISS AMBI TEMP | 13.23 |
| HIERARCH ESO ISS AMBI FWHM START | 1.1 |
| HIERARCH ESO ISS AMBI FWHM END | 1.11 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |