Exposure
- ID
- GRAVI.2025-03-17T09:51:27.567_2
- Header ID
- GRAVI.2025-03-17T09:51:27.567
- Date updated
- 2025-03-17 10:06:00 UTC+0000
- Release date
- 2026-03-17 10:05:59 UTC+0000
- UTC Start
- 2025-03-17 09:51:27.567
- UTC End
- 2025-03-17 09:57:27.567
- MJD Start
- 60751.41073573
- MJD End
- 60751.41490239667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0095905
- Ambient temperature (°C)
- 14.94
- Seeing (arcsec)
- 0.585
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 | 56.5530 | 56.5580 | 19.5000 | 20.3000 |
| U1-U3 | 102.3510 | 102.3900 | 25.7000 | 26.5000 |
| U1-U4 | 128.8840 | 129.2280 | 53.2440 | 54.1430 |
| U2-U3 | 46.5250 | 46.5660 | 33.2000 | 34.1000 |
| U2-U4 | 87.6630 | 88.0600 | 74.2320 | 75.0890 |
| U3-U4 | 60.7890 | 61.1160 | 104.3890 | 105.0940 |
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 | 60751.41073573 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417254 |
| DEC | -29.00787 |
| 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 | 56.553 |
| HIERARCH ESO ISS PBL12 END | 56.558 |
| HIERARCH ESO ISS PBLA12 START | 19.5 |
| HIERARCH ESO ISS PBLA12 END | 20.3 |
| HIERARCH ESO ISS PBL13 START | 102.351 |
| HIERARCH ESO ISS PBL13 END | 102.39 |
| HIERARCH ESO ISS PBLA13 START | 25.7 |
| HIERARCH ESO ISS PBLA13 END | 26.5 |
| HIERARCH ESO ISS PBL14 START | 128.884 |
| HIERARCH ESO ISS PBL14 END | 129.228 |
| HIERARCH ESO ISS PBLA14 START | 53.244 |
| HIERARCH ESO ISS PBLA14 END | 54.143 |
| HIERARCH ESO ISS PBL23 START | 46.525 |
| HIERARCH ESO ISS PBL23 END | 46.566 |
| HIERARCH ESO ISS PBLA23 START | 33.2 |
| HIERARCH ESO ISS PBLA23 END | 34.1 |
| HIERARCH ESO ISS PBL24 START | 87.663 |
| HIERARCH ESO ISS PBL24 END | 88.06 |
| HIERARCH ESO ISS PBLA24 START | 74.232 |
| HIERARCH ESO ISS PBLA24 END | 75.089 |
| HIERARCH ESO ISS PBL34 START | 60.789 |
| HIERARCH ESO ISS PBL34 END | 61.116 |
| HIERARCH ESO ISS PBLA34 START | 104.389 |
| HIERARCH ESO ISS PBLA34 END | 105.094 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.009912 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.009269 |
| HIERARCH ESO ISS AMBI TEMP | 14.94 |
| HIERARCH ESO ISS AMBI FWHM START | 0.6 |
| HIERARCH ESO ISS AMBI FWHM END | 0.57 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |