Exposure
- ID
- GRAVI.2025-07-10T05:44:01.619_2
- Header ID
- GRAVI.2025-07-10T05:44:01.619
- Date updated
- 2025-07-10 06:00:36 UTC+0000
- Release date
- 2026-07-10 06:00:36 UTC+0000
- UTC Start
- 2025-07-10 05:44:01.619
- UTC End
- 2025-07-10 05:50:01.619
- MJD Start
- 60866.23890763
- MJD End
- 60866.24307429667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006921999999999999
- Ambient temperature (°C)
- 14.0
- Seeing (arcsec)
- 0.36
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 | 52.6100 | 52.2850 | 38.3000 | 38.6000 |
| U1-U3 | 93.4270 | 92.6830 | 44.5000 | 44.8000 |
| U1-U4 | 110.1030 | 108.4080 | 75.1130 | 75.6670 |
| U2-U3 | 41.5250 | 41.1000 | 52.4000 | 52.8000 |
| U2-U4 | 74.9750 | 73.7680 | 100.0030 | 100.9610 |
| U3-U4 | 56.0890 | 55.5890 | 133.1340 | 134.4110 |
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 | 60866.23890763 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417609 |
| DEC | -29.0079 |
| 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 | 52.61 |
| HIERARCH ESO ISS PBL12 END | 52.285 |
| HIERARCH ESO ISS PBLA12 START | 38.3 |
| HIERARCH ESO ISS PBLA12 END | 38.6 |
| HIERARCH ESO ISS PBL13 START | 93.427 |
| HIERARCH ESO ISS PBL13 END | 92.683 |
| HIERARCH ESO ISS PBLA13 START | 44.5 |
| HIERARCH ESO ISS PBLA13 END | 44.8 |
| HIERARCH ESO ISS PBL14 START | 110.103 |
| HIERARCH ESO ISS PBL14 END | 108.408 |
| HIERARCH ESO ISS PBLA14 START | 75.113 |
| HIERARCH ESO ISS PBLA14 END | 75.667 |
| HIERARCH ESO ISS PBL23 START | 41.525 |
| HIERARCH ESO ISS PBL23 END | 41.1 |
| HIERARCH ESO ISS PBLA23 START | 52.4 |
| HIERARCH ESO ISS PBLA23 END | 52.8 |
| HIERARCH ESO ISS PBL24 START | 74.975 |
| HIERARCH ESO ISS PBL24 END | 73.768 |
| HIERARCH ESO ISS PBLA24 START | 100.003 |
| HIERARCH ESO ISS PBLA24 END | 100.961 |
| HIERARCH ESO ISS PBL34 START | 56.089 |
| HIERARCH ESO ISS PBL34 END | 55.589 |
| HIERARCH ESO ISS PBLA34 START | 133.134 |
| HIERARCH ESO ISS PBLA34 END | 134.411 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007325 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006519 |
| HIERARCH ESO ISS AMBI TEMP | 14.0 |
| HIERARCH ESO ISS AMBI FWHM START | 0.37 |
| HIERARCH ESO ISS AMBI FWHM END | 0.35 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6520 |