Exposure
- ID
- GRAVI.2025-07-08T00:24:26.062_2
- Header ID
- GRAVI.2025-07-08T00:24:26.062
- Date updated
- 2025-07-08 00:40:39 UTC+0000
- Release date
- 2026-07-08 00:40:39 UTC+0000
- UTC Start
- 2025-07-08 00:24:26.062
- UTC End
- 2025-07-08 00:30:26.062
- MJD Start
- 60864.01696831
- MJD End
- 60864.02113497667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006189999999999999
- Ambient temperature (°C)
- 15.76
- Seeing (arcsec)
- 0.6000000000000001
Observation
- ID
- 68254
- Category
- science
- Program ID
- 115.27WT.003
- 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 / MANG / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / GARCIA / PAUMARD / BOURDAROT / STURM / LUTZ / LE BOUQUIN / CAO / KREIDBERG / HOENIG / FOSCHI / PERRIN / CARDOSO / AIMAR / URSO / ABD EL DAYEM / ROUSSELET-PER
Target
- ID
- 50720
- Name
- IRS16C
- RA
- 266.4170791666666
- DEC
- -29.00768111111111
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 | 56.2380 | 56.2460 | 2.7000 | 3.6000 |
| U1-U3 | 100.8360 | 100.8980 | 7.6000 | 8.7000 |
| U1-U4 | 116.5220 | 117.2780 | 31.7440 | 33.1100 |
| U2-U3 | 45.0710 | 45.1430 | 13.8000 | 15.0000 |
| U2-U4 | 72.6940 | 73.7220 | 53.8180 | 55.1750 |
| U3-U4 | 47.9130 | 48.8850 | 91.0230 | 91.7770 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.27WT.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60864.01696831 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416188 |
| DEC | -29.00743 |
| 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 | 56.238 |
| HIERARCH ESO ISS PBL12 END | 56.246 |
| HIERARCH ESO ISS PBLA12 START | 2.7 |
| HIERARCH ESO ISS PBLA12 END | 3.6 |
| HIERARCH ESO ISS PBL13 START | 100.836 |
| HIERARCH ESO ISS PBL13 END | 100.898 |
| HIERARCH ESO ISS PBLA13 START | 7.6 |
| HIERARCH ESO ISS PBLA13 END | 8.7 |
| HIERARCH ESO ISS PBL14 START | 116.522 |
| HIERARCH ESO ISS PBL14 END | 117.278 |
| HIERARCH ESO ISS PBLA14 START | 31.744 |
| HIERARCH ESO ISS PBLA14 END | 33.11 |
| HIERARCH ESO ISS PBL23 START | 45.071 |
| HIERARCH ESO ISS PBL23 END | 45.143 |
| HIERARCH ESO ISS PBLA23 START | 13.8 |
| HIERARCH ESO ISS PBLA23 END | 15.0 |
| HIERARCH ESO ISS PBL24 START | 72.694 |
| HIERARCH ESO ISS PBL24 END | 73.722 |
| HIERARCH ESO ISS PBLA24 START | 53.818 |
| HIERARCH ESO ISS PBLA24 END | 55.175 |
| HIERARCH ESO ISS PBL34 START | 47.913 |
| HIERARCH ESO ISS PBL34 END | 48.885 |
| HIERARCH ESO ISS PBLA34 START | 91.023 |
| HIERARCH ESO ISS PBLA34 END | 91.777 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005364 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007016 |
| HIERARCH ESO ISS AMBI TEMP | 15.76 |
| HIERARCH ESO ISS AMBI FWHM START | 0.68 |
| HIERARCH ESO ISS AMBI FWHM END | 0.52 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6520 |