Exposure
- ID
- GRAVI.2023-06-02T07:54:50.446_2
- Header ID
- GRAVI.2023-06-02T07:54:50.446
- Date updated
- 2023-06-02 08:08:39 UTC+0000
- Release date
- 2024-06-02 08:08:39 UTC+0000
- UTC Start
- 2023-06-02 07:54:50.446
- UTC End
- 2023-06-02 08:00:50.446
- MJD Start
- 60097.32975053
- MJD End
- 60097.3339171967
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.008236
- Ambient temperature (°C)
- 15.51
- Seeing (arcsec)
- 0.47
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 | 53.5440 | 53.2640 | 37.1000 | 37.5000 |
| U1-U3 | 95.5720 | 94.9270 | 43.4000 | 43.7000 |
| U1-U4 | 115.0280 | 113.5400 | 73.3290 | 73.9000 |
| U2-U3 | 42.7540 | 42.3840 | 51.2000 | 51.6000 |
| U2-U4 | 78.5240 | 77.4450 | 97.1120 | 98.0070 |
| U3-U4 | 57.6120 | 57.1410 | 129.2970 | 130.4810 |
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 | 60097.32975053 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416531 |
| DEC | -29.00733 |
| 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 | 53.544 |
| HIERARCH ESO ISS PBL12 END | 53.264 |
| HIERARCH ESO ISS PBLA12 START | 37.1 |
| HIERARCH ESO ISS PBLA12 END | 37.5 |
| HIERARCH ESO ISS PBL13 START | 95.572 |
| HIERARCH ESO ISS PBL13 END | 94.927 |
| HIERARCH ESO ISS PBLA13 START | 43.4 |
| HIERARCH ESO ISS PBLA13 END | 43.7 |
| HIERARCH ESO ISS PBL14 START | 115.028 |
| HIERARCH ESO ISS PBL14 END | 113.54 |
| HIERARCH ESO ISS PBLA14 START | 73.329 |
| HIERARCH ESO ISS PBLA14 END | 73.9 |
| HIERARCH ESO ISS PBL23 START | 42.754 |
| HIERARCH ESO ISS PBL23 END | 42.384 |
| HIERARCH ESO ISS PBLA23 START | 51.2 |
| HIERARCH ESO ISS PBLA23 END | 51.6 |
| HIERARCH ESO ISS PBL24 START | 78.524 |
| HIERARCH ESO ISS PBL24 END | 77.445 |
| HIERARCH ESO ISS PBLA24 START | 97.112 |
| HIERARCH ESO ISS PBLA24 END | 98.007 |
| HIERARCH ESO ISS PBL34 START | 57.612 |
| HIERARCH ESO ISS PBL34 END | 57.141 |
| HIERARCH ESO ISS PBLA34 START | 129.297 |
| HIERARCH ESO ISS PBLA34 END | 130.481 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008746 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007726 |
| HIERARCH ESO ISS AMBI TEMP | 15.51 |
| HIERARCH ESO ISS AMBI FWHM START | 0.46 |
| HIERARCH ESO ISS AMBI FWHM END | 0.48 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |