Exposure
- ID
- GRAVI.2024-05-31T06:51:43.459_2
- Header ID
- GRAVI.2024-05-31T06:51:43.459
- Date updated
- 2024-05-31 07:10:27 UTC+0000
- Release date
- 2025-05-31 07:10:27 UTC+0000
- UTC Start
- 2024-05-31 06:51:43.459
- UTC End
- 2024-05-31 06:57:43.459
- MJD Start
- 60461.28591967
- MJD End
- 60461.2900863367
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0049365
- Ambient temperature (°C)
- 15.93
- Seeing (arcsec)
- 0.53
Observation
- ID
- 59423
- Category
- science
- Program ID
- 113.268P.002
- 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 | 55.6460 | 55.5080 | 32.0000 | 32.5000 |
| U1-U3 | 100.4450 | 100.1250 | 38.3000 | 38.9000 |
| U1-U4 | 126.3880 | 125.6440 | 66.9570 | 67.5980 |
| U2-U3 | 45.5650 | 45.3800 | 46.1000 | 46.7000 |
| U2-U4 | 86.8820 | 86.3350 | 88.5110 | 89.2850 |
| U3-U4 | 61.4540 | 61.1980 | 118.4980 | 119.4110 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60461.28591967 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416605 |
| DEC | -29.0072 |
| 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 | 55.646 |
| HIERARCH ESO ISS PBL12 END | 55.508 |
| HIERARCH ESO ISS PBLA12 START | 32.0 |
| HIERARCH ESO ISS PBLA12 END | 32.5 |
| HIERARCH ESO ISS PBL13 START | 100.445 |
| HIERARCH ESO ISS PBL13 END | 100.125 |
| HIERARCH ESO ISS PBLA13 START | 38.3 |
| HIERARCH ESO ISS PBLA13 END | 38.9 |
| HIERARCH ESO ISS PBL14 START | 126.388 |
| HIERARCH ESO ISS PBL14 END | 125.644 |
| HIERARCH ESO ISS PBLA14 START | 66.957 |
| HIERARCH ESO ISS PBLA14 END | 67.598 |
| HIERARCH ESO ISS PBL23 START | 45.565 |
| HIERARCH ESO ISS PBL23 END | 45.38 |
| HIERARCH ESO ISS PBLA23 START | 46.1 |
| HIERARCH ESO ISS PBLA23 END | 46.7 |
| HIERARCH ESO ISS PBL24 START | 86.882 |
| HIERARCH ESO ISS PBL24 END | 86.335 |
| HIERARCH ESO ISS PBLA24 START | 88.511 |
| HIERARCH ESO ISS PBLA24 END | 89.285 |
| HIERARCH ESO ISS PBL34 START | 61.454 |
| HIERARCH ESO ISS PBL34 END | 61.198 |
| HIERARCH ESO ISS PBLA34 START | 118.498 |
| HIERARCH ESO ISS PBLA34 END | 119.411 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003741 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006132 |
| HIERARCH ESO ISS AMBI TEMP | 15.93 |
| HIERARCH ESO ISS AMBI FWHM START | 0.56 |
| HIERARCH ESO ISS AMBI FWHM END | 0.5 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |