Exposure
- ID
- GRAVI.2023-06-03T07:11:33.783_2
- Header ID
- GRAVI.2023-06-03T07:11:33.783
- Date updated
- 2023-06-03 07:30:52 UTC+0000
- Release date
- 2024-06-03 07:30:52 UTC+0000
- UTC Start
- 2023-06-03 07:11:33.783
- UTC End
- 2023-06-03 07:17:33.783
- MJD Start
- 60098.29969656
- MJD End
- 60098.3038632267
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0041205
- Ambient temperature (°C)
- 13.72
- Seeing (arcsec)
- 0.375
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 | 54.9370 | 54.7410 | 34.3000 | 34.8000 |
| U1-U3 | 98.7970 | 98.3410 | 40.7000 | 41.2000 |
| U1-U4 | 122.5390 | 121.4710 | 69.7460 | 70.3580 |
| U2-U3 | 44.6130 | 44.3500 | 48.5000 | 49.0000 |
| U2-U4 | 84.0370 | 83.2470 | 92.0110 | 92.8280 |
| U3-U4 | 60.1200 | 59.7520 | 122.7320 | 123.7570 |
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 | 60098.29969656 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416794 |
| 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 | 54.937 |
| HIERARCH ESO ISS PBL12 END | 54.741 |
| HIERARCH ESO ISS PBLA12 START | 34.3 |
| HIERARCH ESO ISS PBLA12 END | 34.8 |
| HIERARCH ESO ISS PBL13 START | 98.797 |
| HIERARCH ESO ISS PBL13 END | 98.341 |
| HIERARCH ESO ISS PBLA13 START | 40.7 |
| HIERARCH ESO ISS PBLA13 END | 41.2 |
| HIERARCH ESO ISS PBL14 START | 122.539 |
| HIERARCH ESO ISS PBL14 END | 121.471 |
| HIERARCH ESO ISS PBLA14 START | 69.746 |
| HIERARCH ESO ISS PBLA14 END | 70.358 |
| HIERARCH ESO ISS PBL23 START | 44.613 |
| HIERARCH ESO ISS PBL23 END | 44.35 |
| HIERARCH ESO ISS PBLA23 START | 48.5 |
| HIERARCH ESO ISS PBLA23 END | 49.0 |
| HIERARCH ESO ISS PBL24 START | 84.037 |
| HIERARCH ESO ISS PBL24 END | 83.247 |
| HIERARCH ESO ISS PBLA24 START | 92.011 |
| HIERARCH ESO ISS PBLA24 END | 92.828 |
| HIERARCH ESO ISS PBL34 START | 60.12 |
| HIERARCH ESO ISS PBL34 END | 59.752 |
| HIERARCH ESO ISS PBLA34 START | 122.732 |
| HIERARCH ESO ISS PBLA34 END | 123.757 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004069 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004172 |
| HIERARCH ESO ISS AMBI TEMP | 13.72 |
| HIERARCH ESO ISS AMBI FWHM START | 0.39 |
| HIERARCH ESO ISS AMBI FWHM END | 0.36 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |