Exposure
- ID
- GRAVI.2025-03-17T08:37:09.378_2
- Header ID
- GRAVI.2025-03-17T08:37:09.378
- Date updated
- 2025-03-17 08:55:41 UTC+0000
- Release date
- 2026-03-17 08:55:41 UTC+0000
- UTC Start
- 2025-03-17 08:37:09.378
- UTC End
- 2025-03-17 08:43:09.378
- MJD Start
- 60751.35913632
- MJD End
- 60751.36330298667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0078985
- Ambient temperature (°C)
- 14.86
- Seeing (arcsec)
- 0.5800000000000001
Observation
- ID
- 65080
- Category
- science
- Program ID
- 114.270V.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 / MANG / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / GARCIA / PAUMARD / BOURDAROT / STURM / LUTZ / LE BOUQUIN / CAO / KREIDBERG / HOENIG / FOSCHI / PERRIN / CARDOSO / AIMAR / URSO / ABD EL DAYEM / ROU
Target
- ID
- 45257
- Name
- IRS16C
- RA
- 266.4170791666666
- DEC
- -29.007681388888887
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 | 56.3460 | 56.3670 | 9.6000 | 10.5000 |
| U1-U3 | 101.4300 | 101.5240 | 15.2000 | 16.2000 |
| U1-U4 | 122.2240 | 122.9490 | 41.3480 | 42.5120 |
| U2-U3 | 45.6840 | 45.7720 | 22.1000 | 23.2000 |
| U2-U4 | 79.9880 | 80.8550 | 63.0910 | 64.1840 |
| U3-U4 | 54.4670 | 55.2020 | 96.4550 | 97.1500 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 114.270V.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60751.35913632 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417234 |
| DEC | -29.00787 |
| 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 | 56.346 |
| HIERARCH ESO ISS PBL12 END | 56.367 |
| HIERARCH ESO ISS PBLA12 START | 9.6 |
| HIERARCH ESO ISS PBLA12 END | 10.5 |
| HIERARCH ESO ISS PBL13 START | 101.43 |
| HIERARCH ESO ISS PBL13 END | 101.524 |
| HIERARCH ESO ISS PBLA13 START | 15.2 |
| HIERARCH ESO ISS PBLA13 END | 16.2 |
| HIERARCH ESO ISS PBL14 START | 122.224 |
| HIERARCH ESO ISS PBL14 END | 122.949 |
| HIERARCH ESO ISS PBLA14 START | 41.348 |
| HIERARCH ESO ISS PBLA14 END | 42.512 |
| HIERARCH ESO ISS PBL23 START | 45.684 |
| HIERARCH ESO ISS PBL23 END | 45.772 |
| HIERARCH ESO ISS PBLA23 START | 22.1 |
| HIERARCH ESO ISS PBLA23 END | 23.2 |
| HIERARCH ESO ISS PBL24 START | 79.988 |
| HIERARCH ESO ISS PBL24 END | 80.855 |
| HIERARCH ESO ISS PBLA24 START | 63.091 |
| HIERARCH ESO ISS PBLA24 END | 64.184 |
| HIERARCH ESO ISS PBL34 START | 54.467 |
| HIERARCH ESO ISS PBL34 END | 55.202 |
| HIERARCH ESO ISS PBLA34 START | 96.455 |
| HIERARCH ESO ISS PBLA34 END | 97.15 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007767 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00803 |
| HIERARCH ESO ISS AMBI TEMP | 14.86 |
| HIERARCH ESO ISS AMBI FWHM START | 0.6 |
| HIERARCH ESO ISS AMBI FWHM END | 0.56 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |