Exposure
- ID
- GRAVI.2025-03-16T07:13:55.250_2
- Header ID
- GRAVI.2025-03-16T07:13:55.250
- Date updated
- 2025-03-16 07:30:41 UTC+0000
- Release date
- 2026-03-16 07:30:41 UTC+0000
- UTC Start
- 2025-03-16 07:13:55.250
- UTC End
- 2025-03-16 07:19:55.250
- MJD Start
- 60750.30133391
- MJD End
- 60750.305500576666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005802
- Ambient temperature (°C)
- 13.75
- 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 | 56.2400 | 56.2330 | 357.1000 | 358.0000 |
| U1-U3 | 100.6190 | 100.6350 | 1.4000 | 2.4000 |
| U1-U4 | 112.2940 | 112.9440 | 22.9320 | 24.4720 |
| U2-U3 | 44.7370 | 44.7780 | 6.8000 | 8.0000 |
| U2-U4 | 66.3980 | 67.4440 | 44.6290 | 46.2960 |
| U3-U4 | 41.4760 | 42.6170 | 86.0980 | 86.9790 |
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 | 60750.30133391 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417532 |
| DEC | -29.00716 |
| 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 | 56.24 |
| HIERARCH ESO ISS PBL12 END | 56.233 |
| HIERARCH ESO ISS PBLA12 START | 357.1 |
| HIERARCH ESO ISS PBLA12 END | 358.0 |
| HIERARCH ESO ISS PBL13 START | 100.619 |
| HIERARCH ESO ISS PBL13 END | 100.635 |
| HIERARCH ESO ISS PBLA13 START | 1.4 |
| HIERARCH ESO ISS PBLA13 END | 2.4 |
| HIERARCH ESO ISS PBL14 START | 112.294 |
| HIERARCH ESO ISS PBL14 END | 112.944 |
| HIERARCH ESO ISS PBLA14 START | 22.932 |
| HIERARCH ESO ISS PBLA14 END | 24.472 |
| HIERARCH ESO ISS PBL23 START | 44.737 |
| HIERARCH ESO ISS PBL23 END | 44.778 |
| HIERARCH ESO ISS PBLA23 START | 6.8 |
| HIERARCH ESO ISS PBLA23 END | 8.0 |
| HIERARCH ESO ISS PBL24 START | 66.398 |
| HIERARCH ESO ISS PBL24 END | 67.444 |
| HIERARCH ESO ISS PBLA24 START | 44.629 |
| HIERARCH ESO ISS PBLA24 END | 46.296 |
| HIERARCH ESO ISS PBL34 START | 41.476 |
| HIERARCH ESO ISS PBL34 END | 42.617 |
| HIERARCH ESO ISS PBLA34 START | 86.098 |
| HIERARCH ESO ISS PBLA34 END | 86.979 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005878 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005726 |
| HIERARCH ESO ISS AMBI TEMP | 13.75 |
| HIERARCH ESO ISS AMBI FWHM START | 0.55 |
| HIERARCH ESO ISS AMBI FWHM END | 0.61 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |