Exposure
- ID
- GRAVI.2024-04-27T06:43:50.159_2
- Header ID
- GRAVI.2024-04-27T06:43:50.159
- Date updated
- 2024-04-27 07:00:28 UTC+0000
- Release date
- 2025-04-27 07:00:28 UTC+0000
- UTC Start
- 2024-04-27 06:43:50.159
- UTC End
- 2024-04-27 06:49:50.159
- MJD Start
- 60427.28044166
- MJD End
- 60427.2846083267
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003838
- Ambient temperature (°C)
- 17.74
- Seeing (arcsec)
- 1.085
Observation
- ID
- 58934
- Category
- science
- Program ID
- 113.268P.001
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - MEASURING THE SPIN OF SGR A* BY MEANS OF DEEP GRAVITY INTERFEROMETRY
- Program Type
- GTO
- PI / COI
- EISENHAUER / GILLESSEN / GENZEL / OTT / WIDMANN / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / BRANDNER / PERRIN / ROUSSELET-PERRAUT / GARCIA / MANG / PAUMARD / ECKART / VINCENT / BOURDAROT / LUTZ / STURM / CAO / HORROBIN / LE BOUQUIN / KREIDBERG /
Target
- ID
- 43560
- Name
- IRS16C
- RA
- 266.417083333333
- DEC
- -29.0076816944444
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 | 56.5030 | 56.5190 | 16.3000 | 17.1000 |
| U1-U3 | 102.1080 | 102.1810 | 22.3000 | 23.2000 |
| U1-U4 | 127.1070 | 127.6190 | 49.5180 | 50.4980 |
| U2-U3 | 46.2990 | 46.3660 | 29.7000 | 30.6000 |
| U2-U4 | 85.6510 | 86.2300 | 70.7210 | 71.6390 |
| U3-U4 | 59.1550 | 59.6240 | 101.6600 | 102.3500 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60427.28044166 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416838 |
| DEC | -29.00734 |
| 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 | 56.503 |
| HIERARCH ESO ISS PBL12 END | 56.519 |
| HIERARCH ESO ISS PBLA12 START | 16.3 |
| HIERARCH ESO ISS PBLA12 END | 17.1 |
| HIERARCH ESO ISS PBL13 START | 102.108 |
| HIERARCH ESO ISS PBL13 END | 102.181 |
| HIERARCH ESO ISS PBLA13 START | 22.3 |
| HIERARCH ESO ISS PBLA13 END | 23.2 |
| HIERARCH ESO ISS PBL14 START | 127.107 |
| HIERARCH ESO ISS PBL14 END | 127.619 |
| HIERARCH ESO ISS PBLA14 START | 49.518 |
| HIERARCH ESO ISS PBLA14 END | 50.498 |
| HIERARCH ESO ISS PBL23 START | 46.299 |
| HIERARCH ESO ISS PBL23 END | 46.366 |
| HIERARCH ESO ISS PBLA23 START | 29.7 |
| HIERARCH ESO ISS PBLA23 END | 30.6 |
| HIERARCH ESO ISS PBL24 START | 85.651 |
| HIERARCH ESO ISS PBL24 END | 86.23 |
| HIERARCH ESO ISS PBLA24 START | 70.721 |
| HIERARCH ESO ISS PBLA24 END | 71.639 |
| HIERARCH ESO ISS PBL34 START | 59.155 |
| HIERARCH ESO ISS PBL34 END | 59.624 |
| HIERARCH ESO ISS PBLA34 START | 101.66 |
| HIERARCH ESO ISS PBLA34 END | 102.35 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004311 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003365 |
| HIERARCH ESO ISS AMBI TEMP | 17.74 |
| HIERARCH ESO ISS AMBI FWHM START | 1.1 |
| HIERARCH ESO ISS AMBI FWHM END | 1.07 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |