Exposure
- ID
- GRAVI.2023-07-05T01:40:12.998_2
- Header ID
- GRAVI.2023-07-05T01:40:12.998
- Date updated
- 2023-07-05 01:55:39 UTC+0000
- Release date
- 2024-07-05 01:55:39 UTC+0000
- UTC Start
- 2023-07-05 01:40:12.998
- UTC End
- 2023-07-05 01:46:12.998
- MJD Start
- 60130.06959488
- MJD End
- 60130.0737615467
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0037405
- Ambient temperature (°C)
- 13.91
- Seeing (arcsec)
- 1.0
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 | 56.3910 | 56.4120 | 11.5000 | 12.4000 |
| U1-U3 | 101.6280 | 101.7220 | 17.3000 | 18.2000 |
| U1-U4 | 123.7270 | 124.4120 | 43.7630 | 44.8740 |
| U2-U3 | 45.8670 | 45.9530 | 24.3000 | 25.3000 |
| U2-U4 | 81.7730 | 82.5730 | 65.3530 | 66.3940 |
| U3-U4 | 55.9720 | 56.6380 | 97.9100 | 98.6010 |
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 | 60130.06959488 |
| 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 | 56.391 |
| HIERARCH ESO ISS PBL12 END | 56.412 |
| HIERARCH ESO ISS PBLA12 START | 11.5 |
| HIERARCH ESO ISS PBLA12 END | 12.4 |
| HIERARCH ESO ISS PBL13 START | 101.628 |
| HIERARCH ESO ISS PBL13 END | 101.722 |
| HIERARCH ESO ISS PBLA13 START | 17.3 |
| HIERARCH ESO ISS PBLA13 END | 18.2 |
| HIERARCH ESO ISS PBL14 START | 123.727 |
| HIERARCH ESO ISS PBL14 END | 124.412 |
| HIERARCH ESO ISS PBLA14 START | 43.763 |
| HIERARCH ESO ISS PBLA14 END | 44.874 |
| HIERARCH ESO ISS PBL23 START | 45.867 |
| HIERARCH ESO ISS PBL23 END | 45.953 |
| HIERARCH ESO ISS PBLA23 START | 24.3 |
| HIERARCH ESO ISS PBLA23 END | 25.3 |
| HIERARCH ESO ISS PBL24 START | 81.773 |
| HIERARCH ESO ISS PBL24 END | 82.573 |
| HIERARCH ESO ISS PBLA24 START | 65.353 |
| HIERARCH ESO ISS PBLA24 END | 66.394 |
| HIERARCH ESO ISS PBL34 START | 55.972 |
| HIERARCH ESO ISS PBL34 END | 56.638 |
| HIERARCH ESO ISS PBLA34 START | 97.91 |
| HIERARCH ESO ISS PBLA34 END | 98.601 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003478 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004003 |
| HIERARCH ESO ISS AMBI TEMP | 13.91 |
| HIERARCH ESO ISS AMBI FWHM START | 1.07 |
| HIERARCH ESO ISS AMBI FWHM END | 0.93 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |