Exposure
- ID
- GRAVI.2024-04-30T08:57:23.206_2
- Header ID
- GRAVI.2024-04-30T08:57:23.206
- Date updated
- 2024-04-30 09:15:41 UTC+0000
- Release date
- 2025-04-30 09:15:41 UTC+0000
- UTC Start
- 2024-04-30 08:57:23.206
- UTC End
- 2024-04-30 09:03:23.206
- MJD Start
- 60430.37318525
- MJD End
- 60430.3773519167
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005352
- Ambient temperature (°C)
- 15.06
- Seeing (arcsec)
- 0.435
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 | 55.5650 | 55.4200 | 32.3000 | 32.8000 |
| U1-U3 | 100.2590 | 99.9220 | 38.7000 | 39.2000 |
| U1-U4 | 125.9550 | 125.1700 | 67.3360 | 67.9720 |
| U2-U3 | 45.4570 | 45.2630 | 46.5000 | 47.0000 |
| U2-U4 | 86.5640 | 85.9850 | 88.9670 | 89.7460 |
| U3-U4 | 61.3050 | 61.0340 | 119.0350 | 119.9620 |
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 | 60430.37318525 |
| 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 | 55.565 |
| HIERARCH ESO ISS PBL12 END | 55.42 |
| HIERARCH ESO ISS PBLA12 START | 32.3 |
| HIERARCH ESO ISS PBLA12 END | 32.8 |
| HIERARCH ESO ISS PBL13 START | 100.259 |
| HIERARCH ESO ISS PBL13 END | 99.922 |
| HIERARCH ESO ISS PBLA13 START | 38.7 |
| HIERARCH ESO ISS PBLA13 END | 39.2 |
| HIERARCH ESO ISS PBL14 START | 125.955 |
| HIERARCH ESO ISS PBL14 END | 125.17 |
| HIERARCH ESO ISS PBLA14 START | 67.336 |
| HIERARCH ESO ISS PBLA14 END | 67.972 |
| HIERARCH ESO ISS PBL23 START | 45.457 |
| HIERARCH ESO ISS PBL23 END | 45.263 |
| HIERARCH ESO ISS PBLA23 START | 46.5 |
| HIERARCH ESO ISS PBLA23 END | 47.0 |
| HIERARCH ESO ISS PBL24 START | 86.564 |
| HIERARCH ESO ISS PBL24 END | 85.985 |
| HIERARCH ESO ISS PBLA24 START | 88.967 |
| HIERARCH ESO ISS PBLA24 END | 89.746 |
| HIERARCH ESO ISS PBL34 START | 61.305 |
| HIERARCH ESO ISS PBL34 END | 61.034 |
| HIERARCH ESO ISS PBLA34 START | 119.035 |
| HIERARCH ESO ISS PBLA34 END | 119.962 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004728 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005976 |
| HIERARCH ESO ISS AMBI TEMP | 15.06 |
| HIERARCH ESO ISS AMBI FWHM START | 0.44 |
| HIERARCH ESO ISS AMBI FWHM END | 0.43 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |