Exposure
- ID
- GRAVI.2024-04-30T09:41:05.317_2
- Header ID
- GRAVI.2024-04-30T09:41:05.317
- Date updated
- 2024-04-30 09:55:34 UTC+0000
- Release date
- 2025-04-30 09:55:34 UTC+0000
- UTC Start
- 2024-04-30 09:41:05.317
- UTC End
- 2024-04-30 09:47:05.317
- MJD Start
- 60430.40353376
- MJD End
- 60430.4077004267
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0047625
- Ambient temperature (°C)
- 15.21
- Seeing (arcsec)
- 0.43
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 | 54.3370 | 54.1040 | 35.7000 | 36.1000 |
| U1-U3 | 97.4030 | 96.8640 | 42.0000 | 42.5000 |
| U1-U4 | 119.2780 | 118.0180 | 71.4850 | 72.0710 |
| U2-U3 | 43.8080 | 43.4960 | 49.9000 | 50.3000 |
| U2-U4 | 81.6310 | 80.7060 | 94.3860 | 95.2270 |
| U3-U4 | 59.0070 | 58.5860 | 125.7430 | 126.8300 |
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 | 60430.40353376 |
| 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 | 54.337 |
| HIERARCH ESO ISS PBL12 END | 54.104 |
| HIERARCH ESO ISS PBLA12 START | 35.7 |
| HIERARCH ESO ISS PBLA12 END | 36.1 |
| HIERARCH ESO ISS PBL13 START | 97.403 |
| HIERARCH ESO ISS PBL13 END | 96.864 |
| HIERARCH ESO ISS PBLA13 START | 42.0 |
| HIERARCH ESO ISS PBLA13 END | 42.5 |
| HIERARCH ESO ISS PBL14 START | 119.278 |
| HIERARCH ESO ISS PBL14 END | 118.018 |
| HIERARCH ESO ISS PBLA14 START | 71.485 |
| HIERARCH ESO ISS PBLA14 END | 72.071 |
| HIERARCH ESO ISS PBL23 START | 43.808 |
| HIERARCH ESO ISS PBL23 END | 43.496 |
| HIERARCH ESO ISS PBLA23 START | 49.9 |
| HIERARCH ESO ISS PBLA23 END | 50.3 |
| HIERARCH ESO ISS PBL24 START | 81.631 |
| HIERARCH ESO ISS PBL24 END | 80.706 |
| HIERARCH ESO ISS PBLA24 START | 94.386 |
| HIERARCH ESO ISS PBLA24 END | 95.227 |
| HIERARCH ESO ISS PBL34 START | 59.007 |
| HIERARCH ESO ISS PBL34 END | 58.586 |
| HIERARCH ESO ISS PBLA34 START | 125.743 |
| HIERARCH ESO ISS PBLA34 END | 126.83 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003807 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005718 |
| HIERARCH ESO ISS AMBI TEMP | 15.21 |
| HIERARCH ESO ISS AMBI FWHM START | 0.49 |
| HIERARCH ESO ISS AMBI FWHM END | 0.37 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |