Exposure
- ID
- GRAVI.2025-03-17T08:08:24.304_2
- Header ID
- GRAVI.2025-03-17T08:08:24.304
- Date updated
- 2025-03-17 08:25:39 UTC+0000
- Release date
- 2026-03-17 08:25:39 UTC+0000
- UTC Start
- 2025-03-17 08:08:24.304
- UTC End
- 2025-03-17 08:14:24.304
- MJD Start
- 60751.33917019
- MJD End
- 60751.34333685666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.008705000000000001
- Ambient temperature (°C)
- 14.92
- Seeing (arcsec)
- 0.56
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 | 56.2690 | 56.2840 | 5.5000 | 6.5000 |
| U1-U3 | 101.0450 | 101.1250 | 10.8000 | 11.8000 |
| U1-U4 | 118.8510 | 119.6200 | 35.8340 | 37.1200 |
| U2-U3 | 45.3030 | 45.3860 | 17.3000 | 18.4000 |
| U2-U4 | 75.7930 | 76.7770 | 57.8380 | 59.0780 |
| U3-U4 | 50.7890 | 51.6710 | 93.2920 | 94.0150 |
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 | 60751.33917019 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417241 |
| 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 | 56.269 |
| HIERARCH ESO ISS PBL12 END | 56.284 |
| HIERARCH ESO ISS PBLA12 START | 5.5 |
| HIERARCH ESO ISS PBLA12 END | 6.5 |
| HIERARCH ESO ISS PBL13 START | 101.045 |
| HIERARCH ESO ISS PBL13 END | 101.125 |
| HIERARCH ESO ISS PBLA13 START | 10.8 |
| HIERARCH ESO ISS PBLA13 END | 11.8 |
| HIERARCH ESO ISS PBL14 START | 118.851 |
| HIERARCH ESO ISS PBL14 END | 119.62 |
| HIERARCH ESO ISS PBLA14 START | 35.834 |
| HIERARCH ESO ISS PBLA14 END | 37.12 |
| HIERARCH ESO ISS PBL23 START | 45.303 |
| HIERARCH ESO ISS PBL23 END | 45.386 |
| HIERARCH ESO ISS PBLA23 START | 17.3 |
| HIERARCH ESO ISS PBLA23 END | 18.4 |
| HIERARCH ESO ISS PBL24 START | 75.793 |
| HIERARCH ESO ISS PBL24 END | 76.777 |
| HIERARCH ESO ISS PBLA24 START | 57.838 |
| HIERARCH ESO ISS PBLA24 END | 59.078 |
| HIERARCH ESO ISS PBL34 START | 50.789 |
| HIERARCH ESO ISS PBL34 END | 51.671 |
| HIERARCH ESO ISS PBLA34 START | 93.292 |
| HIERARCH ESO ISS PBLA34 END | 94.015 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008131 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.009279 |
| HIERARCH ESO ISS AMBI TEMP | 14.92 |
| HIERARCH ESO ISS AMBI FWHM START | 0.56 |
| 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 |