Exposure
- ID
- GRAVI.2025-03-15T08:57:16.270_2
- Header ID
- GRAVI.2025-03-15T08:57:16.270
- Date updated
- 2025-03-15 09:10:36 UTC+0000
- Release date
- 2026-03-15 09:10:35 UTC+0000
- UTC Start
- 2025-03-15 08:57:16.270
- UTC End
- 2025-03-15 09:03:16.270
- MJD Start
- 60749.37310498
- MJD End
- 60749.37727164666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004186499999999999
- Ambient temperature (°C)
- 13.39
- Seeing (arcsec)
- 0.935
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 | 56.3860 | 56.4080 | 11.3000 | 12.2000 |
| U1-U3 | 101.6080 | 101.7020 | 17.0000 | 18.0000 |
| U1-U4 | 123.5790 | 124.2670 | 43.5240 | 44.6390 |
| U2-U3 | 45.8490 | 45.9350 | 24.1000 | 25.1000 |
| U2-U4 | 81.5990 | 82.4030 | 65.1310 | 66.1710 |
| U3-U4 | 55.8270 | 56.4970 | 97.7640 | 98.4530 |
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 | 60749.37310498 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417301 |
| DEC | -29.00773 |
| 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 | 56.386 |
| HIERARCH ESO ISS PBL12 END | 56.408 |
| HIERARCH ESO ISS PBLA12 START | 11.3 |
| HIERARCH ESO ISS PBLA12 END | 12.2 |
| HIERARCH ESO ISS PBL13 START | 101.608 |
| HIERARCH ESO ISS PBL13 END | 101.702 |
| HIERARCH ESO ISS PBLA13 START | 17.0 |
| HIERARCH ESO ISS PBLA13 END | 18.0 |
| HIERARCH ESO ISS PBL14 START | 123.579 |
| HIERARCH ESO ISS PBL14 END | 124.267 |
| HIERARCH ESO ISS PBLA14 START | 43.524 |
| HIERARCH ESO ISS PBLA14 END | 44.639 |
| HIERARCH ESO ISS PBL23 START | 45.849 |
| HIERARCH ESO ISS PBL23 END | 45.935 |
| HIERARCH ESO ISS PBLA23 START | 24.1 |
| HIERARCH ESO ISS PBLA23 END | 25.1 |
| HIERARCH ESO ISS PBL24 START | 81.599 |
| HIERARCH ESO ISS PBL24 END | 82.403 |
| HIERARCH ESO ISS PBLA24 START | 65.131 |
| HIERARCH ESO ISS PBLA24 END | 66.171 |
| HIERARCH ESO ISS PBL34 START | 55.827 |
| HIERARCH ESO ISS PBL34 END | 56.497 |
| HIERARCH ESO ISS PBLA34 START | 97.764 |
| HIERARCH ESO ISS PBLA34 END | 98.453 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004304 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004069 |
| HIERARCH ESO ISS AMBI TEMP | 13.39 |
| HIERARCH ESO ISS AMBI FWHM START | 0.83 |
| HIERARCH ESO ISS AMBI FWHM END | 1.04 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |