Exposure
- ID
- GRAVI.2025-03-17T07:17:00.173_2
- Header ID
- GRAVI.2025-03-17T07:17:00.173
- Date updated
- 2025-03-17 07:35:38 UTC+0000
- Release date
- 2026-03-17 07:35:38 UTC+0000
- UTC Start
- 2025-03-17 07:17:00.173
- UTC End
- 2025-03-17 07:23:00.173
- MJD Start
- 60751.30347423
- MJD End
- 60751.307640896666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0076645
- Ambient temperature (°C)
- 14.93
- Seeing (arcsec)
- 0.44999999999999996
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 | 56.2330 | 56.2290 | 358.1000 | 359.0000 |
| U1-U3 | 100.6360 | 100.6610 | 2.5000 | 3.6000 |
| U1-U4 | 112.9990 | 113.6770 | 24.6000 | 26.1110 |
| U2-U3 | 44.7820 | 44.8300 | 8.1000 | 9.3000 |
| U2-U4 | 67.5310 | 68.5840 | 46.4340 | 48.0400 |
| U3-U4 | 42.7110 | 43.8240 | 87.0520 | 87.9040 |
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 | 60751.30347423 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417223 |
| 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 | 56.233 |
| HIERARCH ESO ISS PBL12 END | 56.229 |
| HIERARCH ESO ISS PBLA12 START | 358.1 |
| HIERARCH ESO ISS PBLA12 END | 359.0 |
| HIERARCH ESO ISS PBL13 START | 100.636 |
| HIERARCH ESO ISS PBL13 END | 100.661 |
| HIERARCH ESO ISS PBLA13 START | 2.5 |
| HIERARCH ESO ISS PBLA13 END | 3.6 |
| HIERARCH ESO ISS PBL14 START | 112.999 |
| HIERARCH ESO ISS PBL14 END | 113.677 |
| HIERARCH ESO ISS PBLA14 START | 24.6 |
| HIERARCH ESO ISS PBLA14 END | 26.111 |
| HIERARCH ESO ISS PBL23 START | 44.782 |
| HIERARCH ESO ISS PBL23 END | 44.83 |
| HIERARCH ESO ISS PBLA23 START | 8.1 |
| HIERARCH ESO ISS PBLA23 END | 9.3 |
| HIERARCH ESO ISS PBL24 START | 67.531 |
| HIERARCH ESO ISS PBL24 END | 68.584 |
| HIERARCH ESO ISS PBLA24 START | 46.434 |
| HIERARCH ESO ISS PBLA24 END | 48.04 |
| HIERARCH ESO ISS PBL34 START | 42.711 |
| HIERARCH ESO ISS PBL34 END | 43.824 |
| HIERARCH ESO ISS PBLA34 START | 87.052 |
| HIERARCH ESO ISS PBLA34 END | 87.904 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007589 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00774 |
| HIERARCH ESO ISS AMBI TEMP | 14.93 |
| HIERARCH ESO ISS AMBI FWHM START | 0.43 |
| HIERARCH ESO ISS AMBI FWHM END | 0.47 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |