Exposure
- ID
- GRAVI.2024-04-30T09:26:35.279_2
- Header ID
- GRAVI.2024-04-30T09:26:35.279
- Date updated
- 2024-04-30 09:40:43 UTC+0000
- Release date
- 2025-04-30 09:40:43 UTC+0000
- UTC Start
- 2024-04-30 09:26:35.279
- UTC End
- 2024-04-30 09:32:35.279
- MJD Start
- 60430.39346388
- MJD End
- 60430.3976305467
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004171
- Ambient temperature (°C)
- 15.13
- Seeing (arcsec)
- 0.495
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 | 54.8100 | 54.6080 | 34.6000 | 35.1000 |
| U1-U3 | 98.5020 | 98.0310 | 41.0000 | 41.5000 |
| U1-U4 | 121.8470 | 120.7460 | 70.1480 | 70.7480 |
| U2-U3 | 44.4420 | 44.1710 | 48.8000 | 49.3000 |
| U2-U4 | 83.5260 | 82.7120 | 92.5440 | 93.3580 |
| U3-U4 | 59.8810 | 59.5040 | 123.4000 | 124.4290 |
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 | 60430.39346388 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.41685 |
| DEC | -29.00736 |
| 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 | 54.81 |
| HIERARCH ESO ISS PBL12 END | 54.608 |
| HIERARCH ESO ISS PBLA12 START | 34.6 |
| HIERARCH ESO ISS PBLA12 END | 35.1 |
| HIERARCH ESO ISS PBL13 START | 98.502 |
| HIERARCH ESO ISS PBL13 END | 98.031 |
| HIERARCH ESO ISS PBLA13 START | 41.0 |
| HIERARCH ESO ISS PBLA13 END | 41.5 |
| HIERARCH ESO ISS PBL14 START | 121.847 |
| HIERARCH ESO ISS PBL14 END | 120.746 |
| HIERARCH ESO ISS PBLA14 START | 70.148 |
| HIERARCH ESO ISS PBLA14 END | 70.748 |
| HIERARCH ESO ISS PBL23 START | 44.442 |
| HIERARCH ESO ISS PBL23 END | 44.171 |
| HIERARCH ESO ISS PBLA23 START | 48.8 |
| HIERARCH ESO ISS PBLA23 END | 49.3 |
| HIERARCH ESO ISS PBL24 START | 83.526 |
| HIERARCH ESO ISS PBL24 END | 82.712 |
| HIERARCH ESO ISS PBLA24 START | 92.544 |
| HIERARCH ESO ISS PBLA24 END | 93.358 |
| HIERARCH ESO ISS PBL34 START | 59.881 |
| HIERARCH ESO ISS PBL34 END | 59.504 |
| HIERARCH ESO ISS PBLA34 START | 123.4 |
| HIERARCH ESO ISS PBLA34 END | 124.429 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004586 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003756 |
| HIERARCH ESO ISS AMBI TEMP | 15.13 |
| HIERARCH ESO ISS AMBI FWHM START | 0.5 |
| HIERARCH ESO ISS AMBI FWHM END | 0.49 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |