Exposure
- ID
- GRAVI.2024-04-30T09:56:17.355_2
- Header ID
- GRAVI.2024-04-30T09:56:17.355
- Date updated
- 2024-04-30 10:10:52 UTC+0000
- Release date
- 2025-04-30 10:10:52 UTC+0000
- UTC Start
- 2024-04-30 09:56:17.355
- UTC End
- 2024-04-30 10:02:17.355
- MJD Start
- 60430.41408976
- MJD End
- 60430.4182564267
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006969
- Ambient temperature (°C)
- 15.14
- Seeing (arcsec)
- 0.38
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 | 53.7650 | 53.4990 | 36.7000 | 37.1000 |
| U1-U3 | 96.0820 | 95.4690 | 43.0000 | 43.4000 |
| U1-U4 | 116.2070 | 114.7890 | 72.8530 | 73.4230 |
| U2-U3 | 43.0470 | 42.6950 | 50.9000 | 51.3000 |
| U2-U4 | 79.3820 | 78.3510 | 96.3850 | 97.2580 |
| U3-U4 | 57.9920 | 57.5360 | 128.3410 | 129.4890 |
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 | 60430.41408976 |
| 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 | 53.765 |
| HIERARCH ESO ISS PBL12 END | 53.499 |
| HIERARCH ESO ISS PBLA12 START | 36.7 |
| HIERARCH ESO ISS PBLA12 END | 37.1 |
| HIERARCH ESO ISS PBL13 START | 96.082 |
| HIERARCH ESO ISS PBL13 END | 95.469 |
| HIERARCH ESO ISS PBLA13 START | 43.0 |
| HIERARCH ESO ISS PBLA13 END | 43.4 |
| HIERARCH ESO ISS PBL14 START | 116.207 |
| HIERARCH ESO ISS PBL14 END | 114.789 |
| HIERARCH ESO ISS PBLA14 START | 72.853 |
| HIERARCH ESO ISS PBLA14 END | 73.423 |
| HIERARCH ESO ISS PBL23 START | 43.047 |
| HIERARCH ESO ISS PBL23 END | 42.695 |
| HIERARCH ESO ISS PBLA23 START | 50.9 |
| HIERARCH ESO ISS PBLA23 END | 51.3 |
| HIERARCH ESO ISS PBL24 START | 79.382 |
| HIERARCH ESO ISS PBL24 END | 78.351 |
| HIERARCH ESO ISS PBLA24 START | 96.385 |
| HIERARCH ESO ISS PBLA24 END | 97.258 |
| HIERARCH ESO ISS PBL34 START | 57.992 |
| HIERARCH ESO ISS PBL34 END | 57.536 |
| HIERARCH ESO ISS PBLA34 START | 128.341 |
| HIERARCH ESO ISS PBLA34 END | 129.489 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006481 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007457 |
| HIERARCH ESO ISS AMBI TEMP | 15.14 |
| HIERARCH ESO ISS AMBI FWHM START | 0.39 |
| 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 |