Exposure
- ID
- GRAVI.2023-07-07T05:57:17.945_2
- Header ID
- GRAVI.2023-07-07T05:57:17.945
- Date updated
- 2023-07-07 06:10:41 UTC+0000
- Release date
- 2024-07-07 06:10:41 UTC+0000
- UTC Start
- 2023-07-07 05:57:17.945
- UTC End
- 2023-07-07 06:03:17.945
- MJD Start
- 60132.24812436
- MJD End
- 60132.2522910267
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003695
- Ambient temperature (°C)
- 9.23
- Seeing (arcsec)
- 0.75
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 | 52.6310 | 52.3070 | 38.2000 | 38.6000 |
| U1-U3 | 93.4750 | 92.7320 | 44.5000 | 44.8000 |
| U1-U4 | 110.2110 | 108.5200 | 75.0770 | 75.6310 |
| U2-U3 | 41.5520 | 41.1280 | 52.4000 | 52.7000 |
| U2-U4 | 75.0520 | 73.8470 | 99.9410 | 100.8980 |
| U3-U4 | 56.1200 | 55.6210 | 133.0520 | 134.3280 |
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 | 60132.24812436 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416849 |
| DEC | -29.00721 |
| 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 | 52.631 |
| HIERARCH ESO ISS PBL12 END | 52.307 |
| HIERARCH ESO ISS PBLA12 START | 38.2 |
| HIERARCH ESO ISS PBLA12 END | 38.6 |
| HIERARCH ESO ISS PBL13 START | 93.475 |
| HIERARCH ESO ISS PBL13 END | 92.732 |
| HIERARCH ESO ISS PBLA13 START | 44.5 |
| HIERARCH ESO ISS PBLA13 END | 44.8 |
| HIERARCH ESO ISS PBL14 START | 110.211 |
| HIERARCH ESO ISS PBL14 END | 108.52 |
| HIERARCH ESO ISS PBLA14 START | 75.077 |
| HIERARCH ESO ISS PBLA14 END | 75.631 |
| HIERARCH ESO ISS PBL23 START | 41.552 |
| HIERARCH ESO ISS PBL23 END | 41.128 |
| HIERARCH ESO ISS PBLA23 START | 52.4 |
| HIERARCH ESO ISS PBLA23 END | 52.7 |
| HIERARCH ESO ISS PBL24 START | 75.052 |
| HIERARCH ESO ISS PBL24 END | 73.847 |
| HIERARCH ESO ISS PBLA24 START | 99.941 |
| HIERARCH ESO ISS PBLA24 END | 100.898 |
| HIERARCH ESO ISS PBL34 START | 56.12 |
| HIERARCH ESO ISS PBL34 END | 55.621 |
| HIERARCH ESO ISS PBLA34 START | 133.052 |
| HIERARCH ESO ISS PBLA34 END | 134.328 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003708 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003682 |
| HIERARCH ESO ISS AMBI TEMP | 9.23 |
| HIERARCH ESO ISS AMBI FWHM START | 0.8 |
| HIERARCH ESO ISS AMBI FWHM END | 0.7 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |