Exposure
- ID
- GRAVI.2025-06-10T02:01:16.978_2
- Header ID
- GRAVI.2025-06-10T02:01:16.978
- Date updated
- 2025-06-10 02:15:51 UTC+0000
- Release date
- 2025-06-10 02:01:16 UTC+0000
- UTC Start
- 2025-06-10 02:01:16.978
- UTC End
- 2025-06-10 02:07:16.978
- MJD Start
- 60836.08422428
- MJD End
- 60836.088390946665
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005666
- Ambient temperature (°C)
- 13.78
- Seeing (arcsec)
- 0.575
Observation
- ID
- 67871
- Category
- calibrator
- Program ID
- 115.27WT.002
- 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
- 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 | 56.2280 | 56.2320 | 0.8000 | 1.7000 |
| U1-U3 | 100.7300 | 100.7770 | 5.5000 | 6.5000 |
| U1-U4 | 114.9980 | 115.7350 | 28.8420 | 30.2740 |
| U2-U3 | 44.9350 | 44.9990 | 11.4000 | 12.6000 |
| U2-U4 | 70.5460 | 71.5980 | 50.8810 | 52.3400 |
| U3-U4 | 45.8210 | 46.8570 | 89.4220 | 90.2130 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.27WT.002 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60836.08422428 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | R2 |
| RA | 266.416542 |
| DEC | -29.00738 |
| 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 | 56.228 |
| HIERARCH ESO ISS PBL12 END | 56.232 |
| HIERARCH ESO ISS PBLA12 START | 0.8 |
| HIERARCH ESO ISS PBLA12 END | 1.7 |
| HIERARCH ESO ISS PBL13 START | 100.73 |
| HIERARCH ESO ISS PBL13 END | 100.777 |
| HIERARCH ESO ISS PBLA13 START | 5.5 |
| HIERARCH ESO ISS PBLA13 END | 6.5 |
| HIERARCH ESO ISS PBL14 START | 114.998 |
| HIERARCH ESO ISS PBL14 END | 115.735 |
| HIERARCH ESO ISS PBLA14 START | 28.842 |
| HIERARCH ESO ISS PBLA14 END | 30.274 |
| HIERARCH ESO ISS PBL23 START | 44.935 |
| HIERARCH ESO ISS PBL23 END | 44.999 |
| HIERARCH ESO ISS PBLA23 START | 11.4 |
| HIERARCH ESO ISS PBLA23 END | 12.6 |
| HIERARCH ESO ISS PBL24 START | 70.546 |
| HIERARCH ESO ISS PBL24 END | 71.598 |
| HIERARCH ESO ISS PBLA24 START | 50.881 |
| HIERARCH ESO ISS PBLA24 END | 52.34 |
| HIERARCH ESO ISS PBL34 START | 45.821 |
| HIERARCH ESO ISS PBL34 END | 46.857 |
| HIERARCH ESO ISS PBLA34 START | 89.422 |
| HIERARCH ESO ISS PBLA34 END | 90.213 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005951 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005381 |
| HIERARCH ESO ISS AMBI TEMP | 13.78 |
| HIERARCH ESO ISS AMBI FWHM START | 0.6 |
| HIERARCH ESO ISS AMBI FWHM END | 0.55 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |