Exposure
- ID
- GRAVI.2025-03-17T07:46:24.249_2
- Header ID
- GRAVI.2025-03-17T07:46:24.249
- Date updated
- 2025-03-17 08:05:40 UTC+0000
- Release date
- 2026-03-17 08:05:39 UTC+0000
- UTC Start
- 2025-03-17 07:46:24.249
- UTC End
- 2025-03-17 07:52:24.249
- MJD Start
- 60751.32389177
- MJD End
- 60751.328058436666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0084815
- Ambient temperature (°C)
- 14.88
- Seeing (arcsec)
- 0.42
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 | 56.2350 | 56.2420 | 2.3000 | 3.3000 |
| U1-U3 | 100.8140 | 100.8750 | 7.3000 | 8.3000 |
| U1-U4 | 116.2500 | 117.0070 | 31.2450 | 32.6280 |
| U2-U3 | 45.0450 | 45.1170 | 13.4000 | 14.6000 |
| U2-U4 | 72.3190 | 73.3570 | 53.3190 | 54.6980 |
| U3-U4 | 47.5550 | 48.5420 | 90.7490 | 91.5120 |
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 | 60751.32389177 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.41725 |
| DEC | -29.00785 |
| 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 | 56.235 |
| HIERARCH ESO ISS PBL12 END | 56.242 |
| HIERARCH ESO ISS PBLA12 START | 2.3 |
| HIERARCH ESO ISS PBLA12 END | 3.3 |
| HIERARCH ESO ISS PBL13 START | 100.814 |
| HIERARCH ESO ISS PBL13 END | 100.875 |
| HIERARCH ESO ISS PBLA13 START | 7.3 |
| HIERARCH ESO ISS PBLA13 END | 8.3 |
| HIERARCH ESO ISS PBL14 START | 116.25 |
| HIERARCH ESO ISS PBL14 END | 117.007 |
| HIERARCH ESO ISS PBLA14 START | 31.245 |
| HIERARCH ESO ISS PBLA14 END | 32.628 |
| HIERARCH ESO ISS PBL23 START | 45.045 |
| HIERARCH ESO ISS PBL23 END | 45.117 |
| HIERARCH ESO ISS PBLA23 START | 13.4 |
| HIERARCH ESO ISS PBLA23 END | 14.6 |
| HIERARCH ESO ISS PBL24 START | 72.319 |
| HIERARCH ESO ISS PBL24 END | 73.357 |
| HIERARCH ESO ISS PBLA24 START | 53.319 |
| HIERARCH ESO ISS PBLA24 END | 54.698 |
| HIERARCH ESO ISS PBL34 START | 47.555 |
| HIERARCH ESO ISS PBL34 END | 48.542 |
| HIERARCH ESO ISS PBLA34 START | 90.749 |
| HIERARCH ESO ISS PBLA34 END | 91.512 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008085 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008878 |
| HIERARCH ESO ISS AMBI TEMP | 14.88 |
| HIERARCH ESO ISS AMBI FWHM START | 0.41 |
| HIERARCH ESO ISS AMBI FWHM END | 0.43 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |