Exposure
- ID
- GRAVI.2025-03-16T08:12:34.400_2
- Header ID
- GRAVI.2025-03-16T08:12:34.400
- Date updated
- 2025-03-16 08:30:49 UTC+0000
- Release date
- 2026-03-16 08:30:48 UTC+0000
- UTC Start
- 2025-03-16 08:12:34.400
- UTC End
- 2025-03-16 08:18:34.400
- MJD Start
- 60750.34206481
- MJD End
- 60750.346231476666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006569
- Ambient temperature (°C)
- 13.48
- Seeing (arcsec)
- 0.715
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 | 56.2700 | 56.2840 | 5.6000 | 6.5000 |
| U1-U3 | 101.0480 | 101.1290 | 10.8000 | 11.8000 |
| U1-U4 | 118.8860 | 119.6550 | 35.8920 | 37.1770 |
| U2-U3 | 45.3070 | 45.3900 | 17.3000 | 18.4000 |
| U2-U4 | 75.8390 | 76.8210 | 57.8940 | 59.1320 |
| U3-U4 | 50.8300 | 51.7110 | 93.3240 | 94.0470 |
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 | 60750.34206481 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417522 |
| DEC | -29.00719 |
| 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 | 56.27 |
| HIERARCH ESO ISS PBL12 END | 56.284 |
| HIERARCH ESO ISS PBLA12 START | 5.6 |
| HIERARCH ESO ISS PBLA12 END | 6.5 |
| HIERARCH ESO ISS PBL13 START | 101.048 |
| HIERARCH ESO ISS PBL13 END | 101.129 |
| HIERARCH ESO ISS PBLA13 START | 10.8 |
| HIERARCH ESO ISS PBLA13 END | 11.8 |
| HIERARCH ESO ISS PBL14 START | 118.886 |
| HIERARCH ESO ISS PBL14 END | 119.655 |
| HIERARCH ESO ISS PBLA14 START | 35.892 |
| HIERARCH ESO ISS PBLA14 END | 37.177 |
| HIERARCH ESO ISS PBL23 START | 45.307 |
| HIERARCH ESO ISS PBL23 END | 45.39 |
| HIERARCH ESO ISS PBLA23 START | 17.3 |
| HIERARCH ESO ISS PBLA23 END | 18.4 |
| HIERARCH ESO ISS PBL24 START | 75.839 |
| HIERARCH ESO ISS PBL24 END | 76.821 |
| HIERARCH ESO ISS PBLA24 START | 57.894 |
| HIERARCH ESO ISS PBLA24 END | 59.132 |
| HIERARCH ESO ISS PBL34 START | 50.83 |
| HIERARCH ESO ISS PBL34 END | 51.711 |
| HIERARCH ESO ISS PBLA34 START | 93.324 |
| HIERARCH ESO ISS PBLA34 END | 94.047 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007103 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006035 |
| HIERARCH ESO ISS AMBI TEMP | 13.48 |
| HIERARCH ESO ISS AMBI FWHM START | 0.69 |
| HIERARCH ESO ISS AMBI FWHM END | 0.74 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |