Exposure
- ID
- GRAVI.2024-03-26T08:19:54.551_2
- Header ID
- GRAVI.2024-03-26T08:19:54.551
- Date updated
- 2024-03-26 08:35:23 UTC+0000
- Release date
- 2025-03-26 08:35:23 UTC+0000
- UTC Start
- 2024-03-26 08:19:54.551
- UTC End
- 2024-03-26 08:25:54.551
- MJD Start
- 60395.34715915
- MJD End
- 60395.3513258167
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.008243
- Ambient temperature (°C)
- 14.2
- Seeing (arcsec)
- 0.9
Observation
- ID
- 58832
- Category
- science
- Program ID
- 112.25CV.001
- 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/ WIDMANN/ DRESCHER/ RIBEIRO/ SADUN BORDONI/ STRAUBMEIER/ BRANDNER/ PERRIN/ ROUSSELET-PERRAUT/ GARCIA/ MANG/ PAUMARD/ ECKART/ VINCENT/ BOURDAROT/ LUTZ/ STURM/ CAO/ HORROBIN/ DE ZEEUW
Target
- ID
- 43560
- Name
- IRS16C
- RA
- 266.417083333333
- DEC
- -29.0076816944444
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 | 56.4090 | 56.4310 | 12.3000 | 13.2000 |
| U1-U3 | 101.7090 | 101.8010 | 18.1000 | 19.0000 |
| U1-U4 | 124.3200 | 124.9780 | 44.7250 | 45.8070 |
| U2-U3 | 45.9410 | 46.0250 | 25.2000 | 26.2000 |
| U2-U4 | 82.4650 | 83.2260 | 66.2520 | 67.2600 |
| U3-U4 | 56.5490 | 57.1770 | 98.5060 | 99.1890 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 112.25CV.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60395.34715915 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416828 |
| DEC | -29.00732 |
| 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 | 56.409 |
| HIERARCH ESO ISS PBL12 END | 56.431 |
| HIERARCH ESO ISS PBLA12 START | 12.3 |
| HIERARCH ESO ISS PBLA12 END | 13.2 |
| HIERARCH ESO ISS PBL13 START | 101.709 |
| HIERARCH ESO ISS PBL13 END | 101.801 |
| HIERARCH ESO ISS PBLA13 START | 18.1 |
| HIERARCH ESO ISS PBLA13 END | 19.0 |
| HIERARCH ESO ISS PBL14 START | 124.32 |
| HIERARCH ESO ISS PBL14 END | 124.978 |
| HIERARCH ESO ISS PBLA14 START | 44.725 |
| HIERARCH ESO ISS PBLA14 END | 45.807 |
| HIERARCH ESO ISS PBL23 START | 45.941 |
| HIERARCH ESO ISS PBL23 END | 46.025 |
| HIERARCH ESO ISS PBLA23 START | 25.2 |
| HIERARCH ESO ISS PBLA23 END | 26.2 |
| HIERARCH ESO ISS PBL24 START | 82.465 |
| HIERARCH ESO ISS PBL24 END | 83.226 |
| HIERARCH ESO ISS PBLA24 START | 66.252 |
| HIERARCH ESO ISS PBLA24 END | 67.26 |
| HIERARCH ESO ISS PBL34 START | 56.549 |
| HIERARCH ESO ISS PBL34 END | 57.177 |
| HIERARCH ESO ISS PBLA34 START | 98.506 |
| HIERARCH ESO ISS PBLA34 END | 99.189 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007164 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.009322 |
| HIERARCH ESO ISS AMBI TEMP | 14.2 |
| HIERARCH ESO ISS AMBI FWHM START | 0.93 |
| HIERARCH ESO ISS AMBI FWHM END | 0.87 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |